pgpool.conf

#
# pgpool configuration file sample
# $Header: /cvsroot/pgpool/pgpool-II/pgpool.conf.sample,v 1.1.1.1 2006/09/08 03:36:04 t-ishii Exp $

# Host name or IP address to listen on: '*' for all, '' for no TCP/IP
# connections
listen_addresses = 'localhost'

# Port number for pgpool
port = 9999

# Port number for pgpool communication manager
pcp_port = 9898

# Unix domain socket path.  (The Debian package defaults to
# /var/run/postgresql.)
socket_dir = '/tmp'

# Unix domain socket path for pgpool communication manager.
# (Debian package default to /var/run/postgresql)
pcp_socket_dir = '/tmp'

# Unix domain socket path for the backend. Debian package default to /var/run/postgresql!
backend_socket_dir = '/tmp'

# pgpool communication manager timeout. 0 means no timeout, but strongly not recommended!
pcp_timeout = 10

# number of pre-forked child process
num_init_children = 32

# Number of connection pools allowed for a child process
max_pool = 4

# If idle for this many seconds, child exits.  0 means no timeout.
child_life_time = 300

# If idle for this many seconds, connection to PostgreSQL closes.
# 0 means no timeout.
connection_life_time = 0

# If child_max_connections connections were received, child exits.
# 0 means no exit.
child_max_connections = 0

# Logging directory
logdir = '/tmp'

# Replication mode
#replication_mode = false

# Set this to true if you want to avoid deadlock situations when
# replication is enabled.  There will, however, be a noticeable performance
# degration.  A workaround is to set this to false and insert a /*STRICT*/
# comment at the beginning of the SQL command.
#replication_strict = true

# When replication_strict is set to false, there will be a chance for
# deadlocks.  Set this to nonzero (in milliseconds) to detect this
# situation and resolve the deadlock by aborting current session.
#replication_timeout = 5000

# Load balancing mode, i.e., all SELECTs except in a transaction block
# are load balanced.  This is ignored if replication_mode is false.
#load_balance_mode = false

# if there's a data mismatch between master and secondary
# start degenration to stop replication mode
#replication_stop_on_mismatch = false

# Semicolon separated list of queries to be issued at the end of a session
reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'

# If true print time stamp on each log line.
print_timestamp = true

# If true, operate in master/slave mode.
#master_slave_mode = false

# If true, cache connection pool.
connection_cache = true

# Health check timeout.  0 means no timeout.
health_check_timeout = 20

# Health check period.  0 means no health check.
health_check_period = 0

# Health check user
health_check_user = 'nobody'

# If true, automatically lock table with INSERT statements to keep SERIAL
# data consistency.  An /*INSERT LOCK*/ comment has the same effect.  A
# /NO INSERT LOCK*/ comment disables the effect.
insert_lock = false

# If true, ignore leading white spaces of each query while pgpool judges
# whether the query is a SELECT so that it can be load balanced.  This
# is useful for certain APIs such as DBI/DBD which is known to adding an
# extra leading white space.
ignore_leading_white_space = false

# If true, print all statements to the log.  Like the log_statement option
# to PostgreSQL, this allows for observing queries without engaging in full
# debugging.
log_statement = true

# if non 0, run in parallel query mode
#parallel_mode = false

# if non 0, use query cache
#enable_query_cache = false

#set pgpool2 hostname 
#pgpool2_hostname = ''

# system DB info
#system_db_hostname = 'localhost'
#system_db_port = 5432
#system_db_dbname = 'pgpool'
#system_db_schema = 'pgpool_catalog'
#system_db_user = 'pgpool'
#system_db_password = ''

# backend_hostname, backend_port, backend_weight
# here are examples
backend_hostname0 = 'localhost'
backend_port0 = 5432
backend_weight0 = 1
#backend_hostname0 = 'host1'
#backend_port0 = 5432
#backend_weight0 = 1
#backend_hostname1 = 'host2'
#backend_port1 = 5433
#backend_weight1 = 1