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				|  |  | +# ----------------------------
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				|  |  | +# pgPool-II configuration file
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				|  |  | +# ----------------------------
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				|  |  | +#
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				|  |  | +# This file consists of lines of the form:
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				|  |  | +#
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				|  |  | +#   name = value
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				|  |  | +#
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				|  |  | +# Whitespace may be used.  Comments are introduced with "#" anywhere on a line.
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				|  |  | +# The complete list of parameter names and allowed values can be found in the
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				|  |  | +# pgPool-II documentation.
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				|  |  | +#
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				|  |  | +# This file is read on server startup and when the server receives a SIGHUP
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				|  |  | +# signal.  If you edit the file on a running system, you have to SIGHUP the
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				|  |  | +# server for the changes to take effect, or use "pgpool reload".  Some
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				|  |  | +# parameters, which are marked below, require a server shutdown and restart to
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				|  |  | +# take effect.
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				|  |  | +#
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				|  |  | +
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				|  |  | +
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +# CONNECTIONS
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +
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				|  |  | +# - pgpool Connection Settings -
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				|  |  | +
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				|  |  | +listen_addresses = '*'
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				|  |  | +                                   # Host name or IP address to listen on:
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				|  |  | +                                   # '*' for all, '' for no TCP/IP connections                                   # (change requires restart)
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				|  |  | +port = 9999
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				|  |  | +                                   # Port number
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				|  |  | +                                   # (change requires restart)
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				|  |  | +socket_dir = '/tmp'
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				|  |  | +                                   # Unix domain socket path
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				|  |  | +                                   # The Debian package defaults to
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				|  |  | +                                   # /var/run/postgresql
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				|  |  | +                                   # (change requires restart)
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				|  |  | +listen_backlog_multiplier = 2
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				|  |  | +                                   # Set the backlog parameter of listen(2) to
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				|  |  | +								   # num_init_children * listen_backlog_multiplier.
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				|  |  | +                                   # (change requires restart)
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				|  |  | +serialize_accept = off
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				|  |  | +                                   # whether to serialize accept() call to avoid thundering herd problem
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				|  |  | +                                   # (change requires restart)
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				|  |  | +
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				|  |  | +# - pgpool Communication Manager Connection Settings -
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				|  |  | +
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				|  |  | +pcp_listen_addresses = '*'
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				|  |  | +                                   # Host name or IP address for pcp process to listen on:
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				|  |  | +                                   # '*' for all, '' for no TCP/IP connections
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				|  |  | +                                   # (change requires restart)
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				|  |  | +pcp_port = 9898
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				|  |  | +                                   # Port number for pcp
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				|  |  | +                                   # (change requires restart)
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				|  |  | +pcp_socket_dir = '/tmp'
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				|  |  | +                                   # Unix domain socket path for pcp
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				|  |  | +                                   # The Debian package defaults to
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				|  |  | +                                   # /var/run/postgresql
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				|  |  | +                                   # (change requires restart)
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				|  |  | +
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				|  |  | +# - Backend Connection Settings -
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				|  |  | +
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				|  |  | +backend_hostname0 = 'pg_1'
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				|  |  | +                                   # Host name or IP address to connect to for backend 0
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				|  |  | +backend_port0 = 5432
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				|  |  | +                                   # Port number for backend 0
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				|  |  | +backend_weight0 = 1
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				|  |  | +                                   # Weight for backend 0 (only in load balancing mode)
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				|  |  | +backend_data_directory0 = '/var/lib/postgresql/data'
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				|  |  | +                                   # Data directory for backend 0
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				|  |  | +backend_flag0 = 'ALLOW_TO_FAILOVER'
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				|  |  | +                                   # Controls various backend behavior
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				|  |  | +                                   # ALLOW_TO_FAILOVER or DISALLOW_TO_FAILOVER
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				|  |  | +backend_hostname1 = 'pg_2'
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				|  |  | +backend_port1 = 5432
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				|  |  | +backend_weight1 = 1
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				|  |  | +backend_data_directory1 = '/var/lib/postgresql/data'
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				|  |  | +backend_flag1 = 'ALLOW_TO_FAILOVER'
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				|  |  | +
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				|  |  | +# - Authentication -
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				|  |  | +
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				|  |  | +enable_pool_hba = off
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				|  |  | +                                   # Use pool_hba.conf for client authentication
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				|  |  | +pool_passwd = 'pool_passwd'
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				|  |  | +                                   # File name of pool_passwd for md5 authentication.
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				|  |  | +                                   # "" disables pool_passwd.
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				|  |  | +                                   # (change requires restart)
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				|  |  | +authentication_timeout = 60
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				|  |  | +                                   # Delay in seconds to complete client authentication
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				|  |  | +                                   # 0 means no timeout.
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				|  |  | +
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				|  |  | +# - SSL Connections -
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				|  |  | +
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				|  |  | +ssl = off
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				|  |  | +                                   # Enable SSL support
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				|  |  | +                                   # (change requires restart)
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				|  |  | +#ssl_key = './server.key'
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				|  |  | +                                   # Path to the SSL private key file
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				|  |  | +                                   # (change requires restart)
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				|  |  | +#ssl_cert = './server.cert'
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				|  |  | +                                   # Path to the SSL public certificate file
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				|  |  | +                                   # (change requires restart)
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				|  |  | +#ssl_ca_cert = ''
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				|  |  | +                                   # Path to a single PEM format file
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				|  |  | +                                   # containing CA root certificate(s)
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				|  |  | +                                   # (change requires restart)
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				|  |  | +#ssl_ca_cert_dir = ''
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				|  |  | +                                   # Directory containing CA root certificate(s)
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				|  |  | +                                   # (change requires restart)
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				|  |  | +
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				|  |  | +
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +# POOLS
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +
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				|  |  | +# - Concurrent session and pool size -
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				|  |  | +
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				|  |  | +num_init_children = 32
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				|  |  | +                                   # Number of concurrent sessions allowed
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				|  |  | +                                   # (change requires restart)
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				|  |  | +max_pool = 4
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				|  |  | +                                   # Number of connection pool caches per connection
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				|  |  | +                                   # (change requires restart)
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				|  |  | +
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				|  |  | +# - Life time -
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				|  |  | +
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				|  |  | +child_life_time = 300
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				|  |  | +                                   # Pool exits after being idle for this many seconds
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				|  |  | +child_max_connections = 0
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				|  |  | +                                   # Pool exits after receiving that many connections
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				|  |  | +                                   # 0 means no exit
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				|  |  | +connection_life_time = 0
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				|  |  | +                                   # Connection to backend closes after being idle for this many seconds
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				|  |  | +                                   # 0 means no close
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				|  |  | +client_idle_limit = 0
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				|  |  | +                                   # Client is disconnected after being idle for that many seconds
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				|  |  | +                                   # (even inside an explicit transactions!)
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				|  |  | +                                   # 0 means no disconnection
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				|  |  | +
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				|  |  | +
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +# LOGS
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +
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				|  |  | +# - Where to log -
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				|  |  | +
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				|  |  | +log_destination = 'stderr'
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				|  |  | +                                   # Where to log
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				|  |  | +                                   # Valid values are combinations of stderr,
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				|  |  | +                                   # and syslog. Default to stderr.
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				|  |  | +
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				|  |  | +# - What to log -
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				|  |  | +
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				|  |  | +log_line_prefix = '%t: pid %p: '   # printf-style string to output at beginning of each log line.
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				|  |  | +
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				|  |  | +log_connections = off
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				|  |  | +                                   # Log connections
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				|  |  | +log_hostname = off
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				|  |  | +                                   # Hostname will be shown in ps status
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				|  |  | +                                   # and in logs if connections are logged
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				|  |  | +log_statement = off
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				|  |  | +                                   # Log all statements
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				|  |  | +log_per_node_statement = off
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				|  |  | +                                   # Log all statements
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				|  |  | +                                   # with node and backend informations
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				|  |  | +log_standby_delay = 'none'
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				|  |  | +                                   # Log standby delay
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				|  |  | +                                   # Valid values are combinations of always,
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				|  |  | +                                   # if_over_threshold, none
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				|  |  | +
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				|  |  | +# - Syslog specific -
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				|  |  | +
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				|  |  | +syslog_facility = 'LOCAL0'
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				|  |  | +                                   # Syslog local facility. Default to LOCAL0
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				|  |  | +syslog_ident = 'pgpool'
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				|  |  | +                                   # Syslog program identification string
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				|  |  | +                                   # Default to 'pgpool'
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				|  |  | +
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				|  |  | +# - Debug -
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				|  |  | +
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				|  |  | +#log_error_verbosity = default          # terse, default, or verbose messages
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				|  |  | +
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				|  |  | +#client_min_messages = notice           # values in order of decreasing detail:
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				|  |  | +                                        #   debug5
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				|  |  | +                                        #   debug4
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				|  |  | +                                        #   debug3
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				|  |  | +                                        #   debug2
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				|  |  | +                                        #   debug1
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				|  |  | +                                        #   log
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				|  |  | +                                        #   notice
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				|  |  | +                                        #   warning
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				|  |  | +                                        #   error
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				|  |  | +
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				|  |  | +#log_min_messages = warning             # values in order of decreasing detail:
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				|  |  | +                                        #   debug5
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				|  |  | +                                        #   debug4
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				|  |  | +                                        #   debug3
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				|  |  | +                                        #   debug2
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				|  |  | +                                        #   debug1
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				|  |  | +                                        #   info
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				|  |  | +                                        #   notice
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				|  |  | +                                        #   warning
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				|  |  | +                                        #   error
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				|  |  | +                                        #   log
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				|  |  | +                                        #   fatal
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				|  |  | +                                        #   panic
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				|  |  | +
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +# FILE LOCATIONS
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +
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				|  |  | +pid_file_name = '/var/run/pgpool/pgpool.pid'
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				|  |  | +                                   # PID file name
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				|  |  | +                                   # Can be specified as relative to the"
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				|  |  | +                                   # location of pgpool.conf file or
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				|  |  | +                                   # as an absolute path
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				|  |  | +                                   # (change requires restart)
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				|  |  | +logdir = '/tmp'
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				|  |  | +                                   # Directory of pgPool status file
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				|  |  | +                                   # (change requires restart)
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				|  |  | +
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				|  |  | +
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +# CONNECTION POOLING
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +
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				|  |  | +connection_cache = on
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				|  |  | +                                   # Activate connection pools
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				|  |  | +                                   # (change requires restart)
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				|  |  | +
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				|  |  | +                                   # Semicolon separated list of queries
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				|  |  | +                                   # to be issued at the end of a session
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				|  |  | +                                   # The default is for 8.3 and later
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				|  |  | +reset_query_list = 'ABORT; DISCARD ALL'
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				|  |  | +                                   # The following one is for 8.2 and before
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				|  |  | +#reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'
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				|  |  | +
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				|  |  | +
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +# REPLICATION MODE
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +
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				|  |  | +replication_mode = off
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				|  |  | +                                   # Activate replication mode
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				|  |  | +                                   # (change requires restart)
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				|  |  | +replicate_select = off
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				|  |  | +                                   # Replicate SELECT statements
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				|  |  | +                                   # when in replication mode
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				|  |  | +                                   # replicate_select is higher priority than
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				|  |  | +                                   # load_balance_mode.
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				|  |  | +
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				|  |  | +insert_lock = on
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				|  |  | +                                   # Automatically locks a dummy row or a table
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				|  |  | +                                   # with INSERT statements to keep SERIAL data
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				|  |  | +                                   # consistency
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				|  |  | +                                   # Without SERIAL, no lock will be issued
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				|  |  | +lobj_lock_table = ''
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				|  |  | +                                   # When rewriting lo_creat command in
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				|  |  | +                                   # replication mode, specify table name to
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				|  |  | +                                   # lock
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				|  |  | +
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				|  |  | +# - Degenerate handling -
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				|  |  | +
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				|  |  | +replication_stop_on_mismatch = off
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				|  |  | +                                   # On disagreement with the packet kind
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				|  |  | +                                   # sent from backend, degenerate the node
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				|  |  | +                                   # which is most likely "minority"
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				|  |  | +                                   # If off, just force to exit this session
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				|  |  | +
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				|  |  | +failover_if_affected_tuples_mismatch = off
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				|  |  | +                                   # On disagreement with the number of affected
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				|  |  | +                                   # tuples in UPDATE/DELETE queries, then
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				|  |  | +                                   # degenerate the node which is most likely
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				|  |  | +                                   # "minority".
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				|  |  | +                                   # If off, just abort the transaction to
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				|  |  | +                                   # keep the consistency
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				|  |  | +
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				|  |  | +
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +# LOAD BALANCING MODE
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +
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				|  |  | +load_balance_mode = on
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				|  |  | +                                   # Activate load balancing mode
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				|  |  | +                                   # (change requires restart)
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				|  |  | +ignore_leading_white_space = on
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				|  |  | +                                   # Ignore leading white spaces of each query
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				|  |  | +white_function_list = ''
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				|  |  | +                                   # Comma separated list of function names
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				|  |  | +                                   # that don't write to database
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				|  |  | +                                   # Regexp are accepted
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				|  |  | +black_function_list = 'nextval,setval'
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				|  |  | +                                   # Comma separated list of function names
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				|  |  | +                                   # that write to database
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				|  |  | +                                   # Regexp are accepted
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				|  |  | +
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				|  |  | +database_redirect_preference_list = ''
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				|  |  | +								   # comma separated list of pairs of database and node id.
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				|  |  | +								   # example: postgres:primary,mydb[0-4]:1,mydb[5-9]:2'
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				|  |  | +								   # valid for streaming replicaton mode only.
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				|  |  | +
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				|  |  | +app_name_redirect_preference_list = ''
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				|  |  | +								   # comma separated list of pairs of app name and node id.
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				|  |  | +								   # example: 'psql:primary,myapp[0-4]:1,myapp[5-9]:standby'
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				|  |  | +								   # valid for streaming replicaton mode only.
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				|  |  | +allow_sql_comments = off
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				|  |  | +								   # if on, ignore SQL comments when judging if load balance or
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				|  |  | +								   # query cache is possible.
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				|  |  | +								   # If off, SQL comments effectively prevent the judgment
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				|  |  | +								   # (pre 3.4 behavior).
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				|  |  | +
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +# MASTER/SLAVE MODE
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				|  |  | +#------------------------------------------------------------------------------
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				|  |  | +
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				|  |  | +master_slave_mode = on
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				|  |  | +                                   # Activate master/slave mode
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				|  |  | +                                   # (change requires restart)
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				|  |  | +master_slave_sub_mode = 'stream'
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				|  |  | +                                   # Master/slave sub mode
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				|  |  | +                                   # Valid values are combinations stream, slony
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				|  |  | +                                   # or logical. Default is stream.
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				|  |  | +                                   # (change requires restart)
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				|  |  | +
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				|  |  | +# - Streaming -
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				|  |  | +
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				|  |  | +sr_check_period = 0
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				|  |  | +                                   # Streaming replication check period
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				|  |  | +                                   # Disabled (0) by default
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				|  |  | +sr_check_user = 'odoo'
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				|  |  | +                                   # Streaming replication check user
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				|  |  | +                                   # This is neccessary even if you disable streaming
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				|  |  | +                                   # replication delay check by sr_check_period = 0
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				|  |  | +sr_check_password = 'odoo'
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				|  |  | +                                   # Password for streaming replication check user
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				|  |  | +sr_check_database = 'odoo'
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				|  |  | +                                   # Database name for streaming replication check
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				|  |  | +delay_threshold = 0
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				|  |  | +                                   # Threshold before not dispatching query to standby node
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				|  |  | +                                   # Unit is in bytes
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				|  |  | +                                   # Disabled (0) by default
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				|  |  | +
 | 
	
		
			
				|  |  | +# - Special commands -
 | 
	
		
			
				|  |  | +
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				|  |  | +follow_master_command = ''
 | 
	
		
			
				|  |  | +                                   # Executes this command after master failover
 | 
	
		
			
				|  |  | +                                   # Special values:
 | 
	
		
			
				|  |  | +                                   #   %d = node id
 | 
	
		
			
				|  |  | +                                   #   %h = host name
 | 
	
		
			
				|  |  | +                                   #   %p = port number
 | 
	
		
			
				|  |  | +                                   #   %D = database cluster path
 | 
	
		
			
				|  |  | +                                   #   %m = new master node id
 | 
	
		
			
				|  |  | +                                   #   %H = hostname of the new master node
 | 
	
		
			
				|  |  | +                                   #   %M = old master node id
 | 
	
		
			
				|  |  | +                                   #   %P = old primary node id
 | 
	
		
			
				|  |  | +								   #   %r = new master port number
 | 
	
		
			
				|  |  | +								   #   %R = new master database cluster path
 | 
	
		
			
				|  |  | +                                   #   %% = '%' character
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +# HEALTH CHECK GLOBAL PARAMETERS
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +health_check_period = 0
 | 
	
		
			
				|  |  | +                                   # Health check period
 | 
	
		
			
				|  |  | +                                   # Disabled (0) by default
 | 
	
		
			
				|  |  | +health_check_timeout = 20
 | 
	
		
			
				|  |  | +                                   # Health check timeout
 | 
	
		
			
				|  |  | +                                   # 0 means no timeout
 | 
	
		
			
				|  |  | +health_check_user = 'odoo'
 | 
	
		
			
				|  |  | +                                   # Health check user
 | 
	
		
			
				|  |  | +health_check_password = 'odoo'
 | 
	
		
			
				|  |  | +                                   # Password for health check user
 | 
	
		
			
				|  |  | +health_check_database = 'odoo'
 | 
	
		
			
				|  |  | +                                   # Database name for health check. If '', tries 'postgres' frist, 
 | 
	
		
			
				|  |  | +health_check_max_retries = 0
 | 
	
		
			
				|  |  | +                                   # Maximum number of times to retry a failed health check before giving up.
 | 
	
		
			
				|  |  | +health_check_retry_delay = 1
 | 
	
		
			
				|  |  | +                                   # Amount of time to wait (in seconds) between retries.
 | 
	
		
			
				|  |  | +connect_timeout = 10000
 | 
	
		
			
				|  |  | +                                   # Timeout value in milliseconds before giving up to connect to backend.
 | 
	
		
			
				|  |  | +								   # Default is 10000 ms (10 second). Flaky network user may want to increase
 | 
	
		
			
				|  |  | +								   # the value. 0 means no timeout.
 | 
	
		
			
				|  |  | +								   # Note that this value is not only used for health check,
 | 
	
		
			
				|  |  | +								   # but also for ordinary conection to backend.
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +# HEALTH CHECK PER NODE PARAMETERS (OPTIONAL)
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +health_check_period0 = 0
 | 
	
		
			
				|  |  | +health_check_timeout0 = 20
 | 
	
		
			
				|  |  | +health_check_user0 = 'nobody'
 | 
	
		
			
				|  |  | +health_check_password0 = ''
 | 
	
		
			
				|  |  | +health_check_database0 = ''
 | 
	
		
			
				|  |  | +health_check_max_retries0 = 0
 | 
	
		
			
				|  |  | +health_check_retry_delay0 = 1
 | 
	
		
			
				|  |  | +connect_timeout0 = 10000
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +# FAILOVER AND FAILBACK
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +failover_command = '/etc/failover.sh %d %P %H %R'
 | 
	
		
			
				|  |  | +                                   # Executes this command at failover
 | 
	
		
			
				|  |  | +                                   # Special values:
 | 
	
		
			
				|  |  | +                                   #   %d = node id
 | 
	
		
			
				|  |  | +                                   #   %h = host name
 | 
	
		
			
				|  |  | +                                   #   %p = port number
 | 
	
		
			
				|  |  | +                                   #   %D = database cluster path
 | 
	
		
			
				|  |  | +                                   #   %m = new master node id
 | 
	
		
			
				|  |  | +                                   #   %H = hostname of the new master node
 | 
	
		
			
				|  |  | +                                   #   %M = old master node id
 | 
	
		
			
				|  |  | +                                   #   %P = old primary node id
 | 
	
		
			
				|  |  | +								   #   %r = new master port number
 | 
	
		
			
				|  |  | +								   #   %R = new master database cluster path
 | 
	
		
			
				|  |  | +                                   #   %% = '%' character
 | 
	
		
			
				|  |  | +failback_command = ''
 | 
	
		
			
				|  |  | +                                   # Executes this command at failback.
 | 
	
		
			
				|  |  | +                                   # Special values:
 | 
	
		
			
				|  |  | +                                   #   %d = node id
 | 
	
		
			
				|  |  | +                                   #   %h = host name
 | 
	
		
			
				|  |  | +                                   #   %p = port number
 | 
	
		
			
				|  |  | +                                   #   %D = database cluster path
 | 
	
		
			
				|  |  | +                                   #   %m = new master node id
 | 
	
		
			
				|  |  | +                                   #   %H = hostname of the new master node
 | 
	
		
			
				|  |  | +                                   #   %M = old master node id
 | 
	
		
			
				|  |  | +                                   #   %P = old primary node id
 | 
	
		
			
				|  |  | +								   #   %r = new master port number
 | 
	
		
			
				|  |  | +								   #   %R = new master database cluster path
 | 
	
		
			
				|  |  | +                                   #   %% = '%' character
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +fail_over_on_backend_error = on
 | 
	
		
			
				|  |  | +                                   # Initiates failover when reading/writing to the
 | 
	
		
			
				|  |  | +                                   # backend communication socket fails
 | 
	
		
			
				|  |  | +                                   # If set to off, pgpool will report an
 | 
	
		
			
				|  |  | +                                   # error and disconnect the session.
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +search_primary_node_timeout = 300
 | 
	
		
			
				|  |  | +                                   # Timeout in seconds to search for the
 | 
	
		
			
				|  |  | +                                   # primary node when a failover occurs.
 | 
	
		
			
				|  |  | +                                   # 0 means no timeout, keep searching
 | 
	
		
			
				|  |  | +                                   # for a primary node forever.
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +# ONLINE RECOVERY
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +recovery_user = 'odoo'
 | 
	
		
			
				|  |  | +                                   # Online recovery user
 | 
	
		
			
				|  |  | +recovery_password = 'odoo'
 | 
	
		
			
				|  |  | +                                   # Online recovery password
 | 
	
		
			
				|  |  | +recovery_1st_stage_command = '/etc/recovery_1st_stage'
 | 
	
		
			
				|  |  | +                                   # Executes a command in first stage
 | 
	
		
			
				|  |  | +recovery_2nd_stage_command = ''
 | 
	
		
			
				|  |  | +                                   # Executes a command in second stage
 | 
	
		
			
				|  |  | +recovery_timeout = 90
 | 
	
		
			
				|  |  | +                                   # Timeout in seconds to wait for the
 | 
	
		
			
				|  |  | +                                   # recovering node's postmaster to start up
 | 
	
		
			
				|  |  | +                                   # 0 means no wait
 | 
	
		
			
				|  |  | +client_idle_limit_in_recovery = 0
 | 
	
		
			
				|  |  | +                                   # Client is disconnected after being idle
 | 
	
		
			
				|  |  | +                                   # for that many seconds in the second stage
 | 
	
		
			
				|  |  | +                                   # of online recovery
 | 
	
		
			
				|  |  | +                                   # 0 means no disconnection
 | 
	
		
			
				|  |  | +                                   # -1 means immediate disconnection
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +# WATCHDOG
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# - Enabling -
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +use_watchdog = off
 | 
	
		
			
				|  |  | +                                    # Activates watchdog
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# -Connection to up stream servers -
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +trusted_servers = ''
 | 
	
		
			
				|  |  | +                                    # trusted server list which are used
 | 
	
		
			
				|  |  | +                                    # to confirm network connection
 | 
	
		
			
				|  |  | +                                    # (hostA,hostB,hostC,...)
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +ping_path = '/bin'
 | 
	
		
			
				|  |  | +                                    # ping command path
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# - Watchdog communication Settings -
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +wd_hostname = 'pg_1'
 | 
	
		
			
				|  |  | +wd_hostname = 'pg_2'
 | 
	
		
			
				|  |  | +                                    # Host name or IP address of this watchdog
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_port = 9000
 | 
	
		
			
				|  |  | +                                    # port number for watchdog service
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +wd_priority = 1
 | 
	
		
			
				|  |  | +									# priority of this watchdog in leader election
 | 
	
		
			
				|  |  | +									# (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +wd_authkey = ''
 | 
	
		
			
				|  |  | +                                    # Authentication key for watchdog communication
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +wd_ipc_socket_dir = '/tmp'
 | 
	
		
			
				|  |  | +									# Unix domain socket path for watchdog IPC socket
 | 
	
		
			
				|  |  | +									# The Debian package defaults to
 | 
	
		
			
				|  |  | +									# /var/run/postgresql
 | 
	
		
			
				|  |  | +									# (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# - Virtual IP control Setting -
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +delegate_IP = '172.20.0.55'
 | 
	
		
			
				|  |  | +                                    # delegate IP address
 | 
	
		
			
				|  |  | +                                    # If this is empty, virtual IP never bring up. 
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +if_cmd_path = '/sbin'
 | 
	
		
			
				|  |  | +                                    # path to the directory where if_up/down_cmd exists 
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +if_up_cmd = 'ip addr add $_IP_$/24 dev eth0 label eth0:0'
 | 
	
		
			
				|  |  | +                                    # startup delegate IP command
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +if_down_cmd = 'ip addr del $_IP_$/24 dev eth0'
 | 
	
		
			
				|  |  | +                                    # shutdown delegate IP command
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +arping_path = '/usr/sbin'
 | 
	
		
			
				|  |  | +                                    # arping command path
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +arping_cmd = 'arping -U $_IP_$ -w 1'
 | 
	
		
			
				|  |  | +                                    # arping command
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# - Behaivor on escalation Setting -
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +clear_memqcache_on_escalation = on
 | 
	
		
			
				|  |  | +                                    # Clear all the query cache on shared memory
 | 
	
		
			
				|  |  | +                                    # when standby pgpool escalate to active pgpool
 | 
	
		
			
				|  |  | +                                    # (= virtual IP holder).
 | 
	
		
			
				|  |  | +                                    # This should be off if client connects to pgpool
 | 
	
		
			
				|  |  | +                                    # not using virtual IP.
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_escalation_command = ''
 | 
	
		
			
				|  |  | +                                    # Executes this command at escalation on new active pgpool.
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_de_escalation_command = ''
 | 
	
		
			
				|  |  | +									# Executes this command when master pgpool resigns from being master.
 | 
	
		
			
				|  |  | +									# (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# - Watchdog consensus settings for failover -
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +failover_when_quorum_exists = on
 | 
	
		
			
				|  |  | +									# Only perform backend node failover
 | 
	
		
			
				|  |  | +									# when the watchdog cluster holds the quorum
 | 
	
		
			
				|  |  | +									# (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +failover_require_consensus = on
 | 
	
		
			
				|  |  | +									# Perform failover when majority of Pgpool-II nodes
 | 
	
		
			
				|  |  | +									# aggrees on the backend node status change
 | 
	
		
			
				|  |  | +									# (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +allow_multiple_failover_requests_from_node = off
 | 
	
		
			
				|  |  | +									# A Pgpool-II node can cast multiple votes
 | 
	
		
			
				|  |  | +									# for building the consensus on failover
 | 
	
		
			
				|  |  | +									# (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# - Lifecheck Setting -
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# -- common --
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +wd_monitoring_interfaces_list = ''  # Comma separated list of interfaces names to monitor.
 | 
	
		
			
				|  |  | +									# if any interface from the list is active the watchdog will
 | 
	
		
			
				|  |  | +									# consider the network is fine
 | 
	
		
			
				|  |  | +									# 'any' to enable monitoring on all interfaces except loopback
 | 
	
		
			
				|  |  | +									# '' to disable monitoring
 | 
	
		
			
				|  |  | +									# (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +wd_lifecheck_method = 'heartbeat'
 | 
	
		
			
				|  |  | +                                    # Method of watchdog lifecheck ('heartbeat' or 'query' or 'external')
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_interval = 10
 | 
	
		
			
				|  |  | +                                    # lifecheck interval (sec) > 0
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# -- heartbeat mode --
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +wd_heartbeat_port = 9694
 | 
	
		
			
				|  |  | +                                    # Port number for receiving heartbeat signal
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_heartbeat_keepalive = 2
 | 
	
		
			
				|  |  | +                                    # Interval time of sending heartbeat signal (sec)
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_heartbeat_deadtime = 30
 | 
	
		
			
				|  |  | +                                    # Deadtime interval for heartbeat signal (sec)
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +heartbeat_destination0 = 'host0_ip1'
 | 
	
		
			
				|  |  | +                                    # Host name or IP address of destination 0
 | 
	
		
			
				|  |  | +                                    # for sending heartbeat signal.
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +heartbeat_destination_port0 = 9694 
 | 
	
		
			
				|  |  | +                                    # Port number of destination 0 for sending
 | 
	
		
			
				|  |  | +                                    # heartbeat signal. Usually this is the
 | 
	
		
			
				|  |  | +                                    # same as wd_heartbeat_port.
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +heartbeat_device0 = ''
 | 
	
		
			
				|  |  | +                                    # Name of NIC device (such like 'eth0')
 | 
	
		
			
				|  |  | +                                    # used for sending/receiving heartbeat
 | 
	
		
			
				|  |  | +                                    # signal to/from destination 0.
 | 
	
		
			
				|  |  | +                                    # This works only when this is not empty
 | 
	
		
			
				|  |  | +                                    # and pgpool has root privilege.
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#heartbeat_destination1 = 'host0_ip2'
 | 
	
		
			
				|  |  | +#heartbeat_destination_port1 = 9694
 | 
	
		
			
				|  |  | +#heartbeat_device1 = ''
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# -- query mode --
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +wd_life_point = 3
 | 
	
		
			
				|  |  | +                                    # lifecheck retry times
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_lifecheck_query = 'SELECT 1'
 | 
	
		
			
				|  |  | +                                    # lifecheck query to pgpool from watchdog
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_lifecheck_dbname = 'template1'
 | 
	
		
			
				|  |  | +                                    # Database name connected for lifecheck
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_lifecheck_user = 'nobody'
 | 
	
		
			
				|  |  | +                                    # watchdog user monitoring pgpools in lifecheck
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +wd_lifecheck_password = ''
 | 
	
		
			
				|  |  | +                                    # Password for watchdog user in lifecheck
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +# - Other pgpool Connection Settings -
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#other_pgpool_hostname0 = 'host0'
 | 
	
		
			
				|  |  | +                                    # Host name or IP address to connect to for other pgpool 0
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +#other_pgpool_port0 = 5432
 | 
	
		
			
				|  |  | +                                    # Port number for othet pgpool 0
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +#other_wd_port0 = 9000
 | 
	
		
			
				|  |  | +                                    # Port number for othet watchdog 0
 | 
	
		
			
				|  |  | +                                    # (change requires restart)
 | 
	
		
			
				|  |  | +#other_pgpool_hostname1 = 'host1'
 | 
	
		
			
				|  |  | +#other_pgpool_port1 = 5432
 | 
	
		
			
				|  |  | +#other_wd_port1 = 9000
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +# OTHERS
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +relcache_expire = 0
 | 
	
		
			
				|  |  | +                                   # Life time of relation cache in seconds.
 | 
	
		
			
				|  |  | +                                   # 0 means no cache expiration(the default).
 | 
	
		
			
				|  |  | +                                   # The relation cache is used for cache the
 | 
	
		
			
				|  |  | +                                   # query result against PostgreSQL system
 | 
	
		
			
				|  |  | +                                   # catalog to obtain various information
 | 
	
		
			
				|  |  | +                                   # including table structures or if it's a
 | 
	
		
			
				|  |  | +                                   # temporary table or not. The cache is
 | 
	
		
			
				|  |  | +                                   # maintained in a pgpool child local memory
 | 
	
		
			
				|  |  | +                                   # and being kept as long as it survives.
 | 
	
		
			
				|  |  | +                                   # If someone modify the table by using
 | 
	
		
			
				|  |  | +                                   # ALTER TABLE or some such, the relcache is
 | 
	
		
			
				|  |  | +                                   # not consistent anymore.
 | 
	
		
			
				|  |  | +                                   # For this purpose, cache_expiration
 | 
	
		
			
				|  |  | +                                   # controls the life time of the cache.
 | 
	
		
			
				|  |  | +relcache_size = 256
 | 
	
		
			
				|  |  | +                                   # Number of relation cache
 | 
	
		
			
				|  |  | +                                   # entry. If you see frequently:
 | 
	
		
			
				|  |  | +								   # "pool_search_relcache: cache replacement happend"
 | 
	
		
			
				|  |  | +								   # in the pgpool log, you might want to increate this number.
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +check_temp_table = on
 | 
	
		
			
				|  |  | +                                   # If on, enable temporary table check in SELECT statements.
 | 
	
		
			
				|  |  | +                                   # This initiates queries against system catalog of primary/master
 | 
	
		
			
				|  |  | +								   # thus increases load of master.
 | 
	
		
			
				|  |  | +								   # If you are absolutely sure that your system never uses temporary tables
 | 
	
		
			
				|  |  | +								   # and you want to save access to primary/master, you could turn this off.
 | 
	
		
			
				|  |  | +								   # Default is on.
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +check_unlogged_table = on
 | 
	
		
			
				|  |  | +                                   # If on, enable unlogged table check in SELECT statements.
 | 
	
		
			
				|  |  | +                                   # This initiates queries against system catalog of primary/master
 | 
	
		
			
				|  |  | +                                   # thus increases load of master.
 | 
	
		
			
				|  |  | +                                   # If you are absolutely sure that your system never uses unlogged tables
 | 
	
		
			
				|  |  | +                                   # and you want to save access to primary/master, you could turn this off.
 | 
	
		
			
				|  |  | +                                   # Default is on.
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +# IN MEMORY QUERY MEMORY CACHE
 | 
	
		
			
				|  |  | +#------------------------------------------------------------------------------
 | 
	
		
			
				|  |  | +memory_cache_enabled = off
 | 
	
		
			
				|  |  | +								   # If on, use the memory cache functionality, off by default
 | 
	
		
			
				|  |  | +memqcache_method = 'shmem'
 | 
	
		
			
				|  |  | +								   # Cache storage method. either 'shmem'(shared memory) or
 | 
	
		
			
				|  |  | +								   # 'memcached'. 'shmem' by default
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +memqcache_memcached_host = 'localhost'
 | 
	
		
			
				|  |  | +								   # Memcached host name or IP address. Mandatory if
 | 
	
		
			
				|  |  | +								   # memqcache_method = 'memcached'.
 | 
	
		
			
				|  |  | +								   # Defaults to localhost.
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +memqcache_memcached_port = 11211
 | 
	
		
			
				|  |  | +								   # Memcached port number. Mondatory if memqcache_method = 'memcached'.
 | 
	
		
			
				|  |  | +								   # Defaults to 11211.
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +memqcache_total_size = 67108864
 | 
	
		
			
				|  |  | +								   # Total memory size in bytes for storing memory cache.
 | 
	
		
			
				|  |  | +								   # Mandatory if memqcache_method = 'shmem'.
 | 
	
		
			
				|  |  | +								   # Defaults to 64MB.
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +memqcache_max_num_cache = 1000000
 | 
	
		
			
				|  |  | +								   # Total number of cache entries. Mandatory
 | 
	
		
			
				|  |  | +								   # if memqcache_method = 'shmem'.
 | 
	
		
			
				|  |  | +								   # Each cache entry consumes 48 bytes on shared memory.
 | 
	
		
			
				|  |  | +								   # Defaults to 1,000,000(45.8MB).
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +memqcache_expire = 0
 | 
	
		
			
				|  |  | +								   # Memory cache entry life time specified in seconds.
 | 
	
		
			
				|  |  | +								   # 0 means infinite life time. 0 by default.
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +memqcache_auto_cache_invalidation = on
 | 
	
		
			
				|  |  | +								   # If on, invalidation of query cache is triggered by corresponding
 | 
	
		
			
				|  |  | +								   # DDL/DML/DCL(and memqcache_expire).  If off, it is only triggered
 | 
	
		
			
				|  |  | +								   # by memqcache_expire.  on by default.
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +memqcache_maxcache = 409600
 | 
	
		
			
				|  |  | +								   # Maximum SELECT result size in bytes.
 | 
	
		
			
				|  |  | +								   # Must be smaller than memqcache_cache_block_size. Defaults to 400KB.
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +memqcache_cache_block_size = 1048576
 | 
	
		
			
				|  |  | +								   # Cache block size in bytes. Mandatory if memqcache_method = 'shmem'.
 | 
	
		
			
				|  |  | +								   # Defaults to 1MB.
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +memqcache_oiddir = '/var/log/pgpool/oiddir'
 | 
	
		
			
				|  |  | +				   				   # Temporary work directory to record table oids
 | 
	
		
			
				|  |  | +                                   # (change requires restart)
 | 
	
		
			
				|  |  | +white_memqcache_table_list = ''
 | 
	
		
			
				|  |  | +                                   # Comma separated list of table names to memcache
 | 
	
		
			
				|  |  | +                                   # that don't write to database
 | 
	
		
			
				|  |  | +                                   # Regexp are accepted
 | 
	
		
			
				|  |  | +black_memqcache_table_list = ''
 | 
	
		
			
				|  |  | +                                   # Comma separated list of table names not to memcache
 | 
	
		
			
				|  |  | +                                   # that don't write to database
 | 
	
		
			
				|  |  | +                                   # Regexp are accepted
 |