listen_addresses = 'localhost'
# Host name or IP address to listen on:
# '*' for all, '' for no TCP/IP connections
# (change requires restart)
port =
# Port number
# (change requires restart)
socket_dir = '/tmp'
# Unix domain socket path
# The Debian package defaults to
# /var/run/postgresql
# (change requires restart)
listen_backlog_multiplier =
# Set the backlog parameter of listen() to
# num_init_children * listen_backlog_multiplier.
# (change requires restart)
serialize_accept = off
# whether to serialize accept() call to avoid thundering herd problem
# (change requires restart)
pcp_listen_addresses = '*'
# Host name or IP address for pcp process to listen on:
# '*' for all, '' for no TCP/IP connections
# (change requires restart)
pcp_port =
# Port number for pcp
# (change requires restart)
pcp_socket_dir = '/tmp'
# Unix domain socket path for pcp
# The Debian package defaults to
# /var/run/postgresql
# (change requires restart)
backend_hostname0 = 'localhost'
# Host name or IP address to connect to for backend
backend_port0 =
# Port number for backend
backend_weight0 =
# Weight for backend (only in load balancing mode)
backend_data_directory0 = '/var/lib/pgsql/data'
# Data directory for backend
backend_flag0 = 'ALLOW_TO_FAILOVER'
# Controls various backend behavior
# ALLOW_TO_FAILOVER, DISALLOW_TO_FAILOVER
# or ALWAYS_MASTER
enable_pool_hba = off
# Use pool_hba.conf for client authentication
pool_passwd = 'pool_passwd'
# File name of pool_passwd for md5 authentication.
# "" disables pool_passwd.
# (change requires restart)
authentication_timeout =
# Delay in seconds to complete client authentication
# means no timeout.
allow_clear_text_frontend_auth = off
# Allow Pgpool-II to use clear text password authentication
# with clients, when pool_passwd does not
# contain the user password
ssl = off
# Enable SSL support
# (change requires restart)
# Path to the SSL private key file
# (change requires restart)
# Path to the SSL public certificate file
# (change requires restart)
# Path to a single PEM format file
# containing CA root certificate(s)
# (change requires restart)
# Directory containing CA root certificate(s)
# (change requires restart)
num_init_children =
# Number of concurrent sessions allowed
# (change requires restart)
max_pool =
# Number of connection pool caches per connection
# (change requires restart)
child_life_time =
# Pool exits after being idle for this many seconds
child_max_connections =
# Pool exits after receiving that many connections
# means no exit
connection_life_time =
# Connection to backend closes after being idle for this many seconds
# means no close
client_idle_limit =
# Client is disconnected after being idle for that many seconds
# (even inside an explicit transactions!)
# means no disconnection
log_destination = 'stderr'
# Where to log
# Valid values are combinations of stderr,
# and syslog. Default to stderr.
log_line_prefix = '%t: pid %p: ' # printf-style string to output at beginning of each log line.
log_connections = off
# Log connections
log_hostname = off
# Hostname will be shown in ps status
# and in logs if connections are logged
log_statement = off
# Log all statements
log_per_node_statement = off
# Log all statements
# with node and backend informations
log_client_messages = off
# Log any client messages
log_standby_delay = 'none'
# Log standby delay
# Valid values are combinations of always,
# if_over_threshold, none
syslog_facility = 'LOCAL0'
# Syslog local facility. Default to LOCAL0
syslog_ident = 'pgpool'
# Syslog program identification string
# Default to 'pgpool'
# debug5
# debug4
# debug3
# debug2
# debug1
# log
# notice
# warning
# error
# debug5
# debug4
# debug3
# debug2
# debug1
# info
# notice
# warning
# error
# log
# fatal
# panic
pid_file_name = '/var/run/pgpool/pgpool.pid'
# PID file name
# Can be specified as relative to the"
# location of pgpool.conf file or
# as an absolute path
# (change requires restart)
logdir = '/var/log/pgpool'
# Directory of pgPool status file
# (change requires restart)
connection_cache = on
# Activate connection pools
# (change requires restart)
# Semicolon separated list of queries
# to be issued at the end of a session
# The default is for 8.3 and later
reset_query_list = 'ABORT; DISCARD ALL'
# The following one is for 8.2 and before
replication_mode = off
# Activate replication mode
# (change requires restart)
replicate_select = off
# Replicate SELECT statements
# when in replication mode
# replicate_select is higher priority than
# load_balance_mode.
insert_lock = on
# Automatically locks a dummy row or a table
# with INSERT statements to keep SERIAL data
# consistency
# Without SERIAL, no lock will be issued
lobj_lock_table = ''
# When rewriting lo_creat command in
# replication mode, specify table name to
# lock
replication_stop_on_mismatch = off
# On disagreement with the packet kind
# sent from backend, degenerate the node
# which is most likely "minority"
# If off, just force to exit this session
failover_if_affected_tuples_mismatch = off
# On disagreement with the number of affected
# tuples in UPDATE/DELETE queries, then
# degenerate the node which is most likely
# "minority".
# If off, just abort the transaction to
# keep the consistency
load_balance_mode = off
# Activate load balancing mode
# (change requires restart)
ignore_leading_white_space = on
# Ignore leading white spaces of each query
white_function_list = ''
# Comma separated list of function names
# that don't write to database
# Regexp are accepted
black_function_list = 'nextval,setval,nextval,setval'
# Comma separated list of function names
# that write to database
# Regexp are accepted
black_query_pattern_list = ''
# Semicolon separated list of query patterns
# that should be sent to primary node
# Regexp are accepted
# valid for streaming replicaton mode only.
database_redirect_preference_list = ''
# comma separated list of pairs of database and node id.
# example: postgres:primary,mydb[-]:,mydb[-]:'
# valid for streaming replicaton mode only.
app_name_redirect_preference_list = ''
# comma separated list of pairs of app name and node id.
# example: 'psql:primary,myapp[0-4]:1,myapp[5-9]:standby'
# valid for streaming replicaton mode only.
allow_sql_comments = off
# if on, ignore SQL comments when judging if load balance or
# query cache is possible.
# If off, SQL comments effectively prevent the judgment
# (pre 3.4 behavior).
disable_load_balance_on_write = 'transaction' # Load balance behavior when write query is issued
# in an explicit transaction.
# Note that any query not in an explicit transaction
# is not affected by the parameter.
# 'transaction' (the default): if a write query is issued,
# subsequent read queries will not be load balanced
# until the transaction ends.
# 'trans_transaction': if a write query is issued,
# subsequent read queries in an explicit transaction
# will not be load balanced until the session ends.
# 'always': if a write query is issued, read queries will
# not be load balanced until the session ends.
master_slave_mode = off
# Activate master/slave mode
# (change requires restart)
master_slave_sub_mode = 'stream'
# Master/slave sub mode
# Valid values are combinations stream, slony
# or logical. Default is stream.
# (change requires restart)
sr_check_period =
# Streaming replication check period
# Disabled () by default
sr_check_user = 'nobody'
# Streaming replication check user
# This is necessary even if you disable
# streaming replication delay check with
# sr_check_period =
sr_check_password = ''
# Password for streaming replication check user.
# Leaving it empty will make Pgpool-II to first look for the
# Password in pool_passwd file before using the empty password
sr_check_database = 'postgres'
# Database name for streaming replication check
delay_threshold =
# Threshold before not dispatching query to standby node
# Unit is in bytes
# Disabled () by default
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_period =
# Health check period
# Disabled () by default
health_check_timeout =
# Health check timeout
# means no timeout
health_check_user = 'nobody'
# Health check user
health_check_password = ''
# Password for health check user
# Leaving it empty will make Pgpool-II to first look for the
# Password in pool_passwd file before using the empty password
health_check_database = ''
# Database name for health check. If '', tries 'postgres' frist, then 'template1'
health_check_max_retries =
# Maximum number of times to retry a failed health check before giving up.
health_check_retry_delay =
# Amount of time to wait (in seconds) between retries.
connect_timeout =
# Timeout value in milliseconds before giving up to connect to backend.
# Default is ms ( second). Flaky network user may want to increase
# the value. means no timeout.
# Note that this value is not only used for health check,
# but also for ordinary conection to backend.
failover_command = ''
# 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
failover_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.
detach_false_primary = off
# Detach false primary if on. Only
# valid in streaming replicaton
# mode and with PostgreSQL 9.6 or
# after.
search_primary_node_timeout =
# Timeout in seconds to search for the
# primary node when a failover occurs.
# means no timeout, keep searching
# for a primary node forever.
recovery_user = 'nobody'
# Online recovery user
recovery_password = ''
# Online recovery password
# Leaving it empty will make Pgpool-II to first look for the
# Password in pool_passwd file before using the empty password
recovery_1st_stage_command = ''
# Executes a command in first stage
recovery_2nd_stage_command = ''
# Executes a command in second stage
recovery_timeout =
# Timeout in seconds to wait for the
# recovering node's postmaster to start up
# means no wait
client_idle_limit_in_recovery =
# Client is disconnected after being idle
# for that many seconds in the second stage
# of online recovery
# means no disconnection
# - means immediate disconnection
use_watchdog = off
# Activates watchdog
# (change requires restart)
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)
wd_hostname = ''
# Host name or IP address of this watchdog
# (change requires restart)
wd_port =
# port number for watchdog service
# (change requires restart)
wd_priority =
# 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)
delegate_IP = ''
# 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)
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)
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)
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 =
# lifecheck interval (sec) >
# (change requires restart)
wd_heartbeat_port =
# Port number for receiving heartbeat signal
# (change requires restart)
wd_heartbeat_keepalive =
# Interval time of sending heartbeat signal (sec)
# (change requires restart)
wd_heartbeat_deadtime =
# Deadtime interval for heartbeat signal (sec)
# (change requires restart)
heartbeat_destination0 = 'host0_ip1'
# Host name or IP address of destination
# for sending heartbeat signal.
# (change requires restart)
heartbeat_destination_port0 =
# Port number of destination 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 .
# This works only when this is not empty
# and pgpool has root privilege.
# (change requires restart)
wd_life_point =
# 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
# Leaving it empty will make Pgpool-II to first look for the
# Password in pool_passwd file before using the empty password
# (change requires restart)
# Host name or IP address to connect to for other pgpool
# (change requires restart)
# Port number for other pgpool
# (change requires restart)
# Port number for other watchdog
# (change requires restart)
relcache_expire =
# Life time of relation cache in seconds.
# 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 =
# 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.
memory_cache_enabled = off
# If on, use the memory cache functionality, off by default
# (change requires restart)
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 =
# Memcached port number. Mondatory if memqcache_method = 'memcached'.
# Defaults to .
# (change requires restart)
memqcache_total_size =
# Total memory size in bytes for storing memory cache.
# Mandatory if memqcache_method = 'shmem'.
# Defaults to 64MB.
# (change requires restart)
memqcache_max_num_cache =
# Total number of cache entries. Mandatory
# if memqcache_method = 'shmem'.
# Each cache entry consumes bytes on shared memory.
# Defaults to ,,(.8MB).
# (change requires restart)
memqcache_expire =
# Memory cache entry life time specified in seconds.
# means infinite life time. 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 =
# Maximum SELECT result size in bytes.
# Must be smaller than memqcache_cache_block_size. Defaults to 400KB.
# (change requires restart)
memqcache_cache_block_size =
# 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
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