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June 27, 2014 05:15
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Pgpool2 config
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# ---------------------------- | |
# pgPool-II configuration file | |
# ---------------------------- | |
# | |
# This file consists of lines of the form: | |
# | |
# name = value | |
# | |
# Whitespace may be used. Comments are introduced with "#" anywhere on a line. | |
# The complete list of parameter names and allowed values can be found in the | |
# pgPool-II documentation. | |
# | |
# This file is read on server startup and when the server receives a SIGHUP | |
# signal. If you edit the file on a running system, you have to SIGHUP the | |
# server for the changes to take effect, or use "pgpool reload". Some | |
# parameters, which are marked below, require a server shutdown and restart to | |
# take effect. | |
# | |
#------------------------------------------------------------------------------ | |
# CONNECTIONS | |
#------------------------------------------------------------------------------ | |
# - pgpool Connection Settings - | |
listen_addresses = '10.129.7.126' | |
# Host name or IP address to listen on: | |
# '*' for all, '' for no TCP/IP connections | |
# (change requires restart) | |
port = 5432 | |
# Port number | |
# (change requires restart) | |
socket_dir = '/var/run/postgresql' | |
# Unix domain socket path | |
# The Debian package defaults to | |
# /var/run/postgresql | |
# (change requires restart) | |
# - pgpool Communication Manager Connection Settings - | |
pcp_port = 9898 | |
# Port number for pcp | |
# (change requires restart) | |
pcp_socket_dir = '/var/run/postgresql' | |
# Unix domain socket path for pcp | |
# The Debian package defaults to | |
# /var/run/postgresql | |
# (change requires restart) | |
# - Backend Connection Settings - | |
backend_hostname0 = '10.129.182.171' | |
# Host name or IP address to connect to for backend 0 | |
backend_port0 = 5432 | |
# Port number for backend 0 | |
backend_weight0 = 1 | |
# Weight for backend 0 (only in load balancing mode) | |
backend_data_directory0 = '/var/lib/postgresql/9.3/main/' | |
# Data directory for backend 0 | |
backend_flag0 = 'ALLOW_TO_FAILOVER' | |
# Controls various backend behavior | |
# ALLOW_TO_FAILOVER or DISALLOW_TO_FAILOVER | |
backend_hostname1 = '10.129.182.172' | |
backend_port1 = 5432 | |
backend_weight1 = 1 | |
backend_data_directory1 = '/var/lib/postgresql/9.3/main/' | |
backend_flag1 = 'ALLOW_TO_FAILOVER' | |
# - Authentication - | |
enable_pool_hba = off | |
# Use pool_hba.conf for client authentication | |
authentication_timeout = 60 | |
# Delay in seconds to complete client authentication | |
# 0 means no timeout. | |
# - SSL Connections - | |
ssl = off | |
# Enable SSL support | |
# (change requires restart) | |
#ssl_key = './server.key' | |
# Path to the SSL private key file | |
# (change requires restart) | |
#ssl_cert = './server.cert' | |
# Path to the SSL public certificate file | |
# (change requires restart) | |
#ssl_ca_cert = '' | |
# Path to a single PEM format file | |
# containing CA root certificate(s) | |
# (change requires restart) | |
#ssl_ca_cert_dir = '' | |
# Directory containing CA root certificate(s) | |
# (change requires restart) | |
#------------------------------------------------------------------------------ | |
# POOLS | |
#------------------------------------------------------------------------------ | |
# - Pool size - | |
num_init_children = 32 | |
# Number of pools | |
# (change requires restart) | |
max_pool = 4 | |
# Number of connections per pool | |
# (change requires restart) | |
# - Life time - | |
child_life_time = 300 | |
# Pool exits after being idle for this many seconds | |
child_max_connections = 0 | |
# Pool exits after receiving that many connections | |
# 0 means no exit | |
connection_life_time = 0 | |
# Connection to backend closes after being idle for this many seconds | |
# 0 means no close | |
client_idle_limit = 0 | |
# Client is disconnected after being idle for that many seconds | |
# (even inside an explicit transactions!) | |
# 0 means no disconnection | |
#------------------------------------------------------------------------------ | |
# LOGS | |
#------------------------------------------------------------------------------ | |
# - Where to log - | |
log_destination = 'stderr' | |
# Where to log | |
# Valid values are combinations of stderr, | |
# and syslog. Default to stderr. | |
# - What to log - | |
print_timestamp = on | |
# Print timestamp on each line | |
# (change requires restart) | |
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_standby_delay = 'none' | |
# Log standby delay | |
# Valid values are combinations of always, | |
# if_over_threshold, none | |
# - Syslog specific - | |
syslog_facility = 'LOCAL0' | |
# Syslog local facility. Default to LOCAL0 | |
syslog_ident = 'pgpool' | |
# Syslog program identification string | |
# Default to 'pgpool' | |
# - Debug - | |
debug_level = 0 | |
# Debug message verbosity level | |
# 0 means no message, 1 or more mean verbose | |
#------------------------------------------------------------------------------ | |
# FILE LOCATIONS | |
#------------------------------------------------------------------------------ | |
pid_file_name = '/var/run/postgresql/pgpool.pid' | |
# PID file name | |
# (change requires restart) | |
logdir = '/var/log/postgresql' | |
# Directory of pgPool status file | |
# (change requires restart) | |
#------------------------------------------------------------------------------ | |
# CONNECTION POOLING | |
#------------------------------------------------------------------------------ | |
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 | |
#reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT' | |
#------------------------------------------------------------------------------ | |
# REPLICATION MODE | |
#------------------------------------------------------------------------------ | |
replication_mode = off | |
# Activate replication mode | |
# (change requires restart) | |
replicate_select = off | |
# Replicate SELECT statements | |
# when in replication or parallel 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 | |
# - Degenerate handling - | |
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 BALANCING MODE | |
#------------------------------------------------------------------------------ | |
load_balance_mode = on | |
# Activate load balancing mode | |
# (change requires restart) | |
ignore_leading_white_space = on | |
# Ignore leading white spaces of each query | |
white_function_list = 'inet_server_addr' | |
# Comma separated list of function names | |
# that don't write to database | |
# Regexp are accepted | |
black_function_list = 'nextval,setval' | |
# Comma separated list of function names | |
# that write to database | |
# Regexp are accepted | |
#------------------------------------------------------------------------------ | |
# MASTER/SLAVE MODE | |
#------------------------------------------------------------------------------ | |
master_slave_mode = on | |
# Activate master/slave mode | |
# (change requires restart) | |
master_slave_sub_mode = 'stream' | |
# Master/slave sub mode | |
# Valid values are combinations slony or | |
# stream. Default is slony. | |
# (change requires restart) | |
# - Streaming - | |
sr_check_period = 0 | |
# Streaming replication check period | |
# Disabled (0) by default | |
sr_check_user = 'healthcheck' | |
# Streaming replication check user | |
# This is necessary even if you disable | |
# streaming replication delay check with | |
# sr_check_period = 0 | |
sr_check_password = 'healthcheck' | |
# Password for streaming replication check user | |
delay_threshold = 0 | |
# Threshold before not dispatching query to standby node | |
# Unit is in bytes | |
# Disabled (0) by default | |
# - Special commands - | |
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 | |
# %% = '%' character | |
#------------------------------------------------------------------------------ | |
# PARALLEL MODE AND QUERY CACHE | |
#------------------------------------------------------------------------------ | |
parallel_mode = off | |
# Activates parallel query mode | |
# (change requires restart) | |
enable_query_cache = off | |
# Activates query cache | |
# (change requires restart) | |
pgpool2_hostname = '' | |
# Set pgpool2 hostname | |
# (change requires restart) | |
# - System DB info - | |
system_db_hostname = 'localhost' | |
# (change requires restart) | |
system_db_port = 5432 | |
# (change requires restart) | |
system_db_dbname = 'pgpool' | |
# (change requires restart) | |
system_db_schema = 'pgpool_catalog' | |
# (change requires restart) | |
system_db_user = 'pgpool' | |
# (change requires restart) | |
system_db_password = '' | |
# (change requires restart) | |
#------------------------------------------------------------------------------ | |
# HEALTH CHECK | |
#------------------------------------------------------------------------------ | |
health_check_period = 5 | |
# Health check period | |
# Disabled (0) by default | |
health_check_timeout = 20 | |
# Health check timeout | |
# 0 means no timeout | |
health_check_user = 'healthcheck' | |
# Health check user | |
health_check_password = 'healthcheck' | |
# Password for health check user | |
#------------------------------------------------------------------------------ | |
# FAILOVER AND FAILBACK | |
#------------------------------------------------------------------------------ | |
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 | |
# %% = '%' 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 | |
# %% = '%' character | |
fail_over_on_backend_error = on | |
# Initiates failover when writing to the | |
# backend communication socket fails | |
# This is the same behaviour of pgpool-II | |
# 2.2.x and previous releases | |
# If set to off, pgpool will report an | |
# error and disconnect the session. | |
#------------------------------------------------------------------------------ | |
# ONLINE RECOVERY | |
#------------------------------------------------------------------------------ | |
recovery_user = 'nobody' | |
# Online recovery user | |
recovery_password = '' | |
# Online recovery password | |
recovery_1st_stage_command = '' | |
# 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 | |
#------------------------------------------------------------------------------ | |
# 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. | |
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