Forums PostgreSQL.fr

#
# pgpool-II configuration file sample
# $Header: /cvsroot/pgpool/pgpool-II/pgpool.conf.sample,v 1.26 2009/02/15 05:26:28 t-ishii Exp $


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

listen_addresses = '*'


# 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 = '/var/run/postgresql'


# Unix domain socket path for pgpool communication manager.
# (Debian package defaults to /var/run/postgresql)

pcp_socket_dir = '/tmp'


# Unix domain socket path for the backend. Debian package defaults to /var/run/postgresql!

backend_socket_dir = '/var/run/postgresql'


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

pcp_timeout = 300


# 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 = 360


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

child_max_connections = 0


# If client_idle_limit is n (n > 0), the client is forced to be
# disconnected whenever after n seconds idle (even inside an explicit
# transactions!)
# 0 means no disconnect.

client_idle_limit = 0



# Maximum time in seconds to complete client authentication.
# 0 means no timeout.

authentication_timeout = 60


# Logging directory

logdir = '/var/log/pgpool'


# pid file name

pid_file_name = '/var/run/pgpool/pgpool.pid'


# Replication mode

replication_mode = true
replication_strict = true
replication_timeout = 5000


# Load balancing mode, i.e., all SELECTs 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 degeneration to stop replication mode

replication_stop_on_mismatch = false


# If true, replicate SELECT statement when load balancing is disabled.
# If false, it is only sent to the master node.

replicate_select = 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'
# for 8.3 or newer PostgreSQL versions DISCARD ALL can be used as
# follows. However beware that DISCARD ALL holds exclusive lock on
# pg_listener so it will be a serious performance problem if there are
# lots of concurrent sessions.

reset_query_list = 'ABORT; DISCARD ALL'


# If true print timestamp 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 = 30


# Health check user

health_check_user = 'postgres'


# Execute command by failover.
# special values:  %d = node id
#                  %h = host name
#                  %p = port number
#                  %D = database cluster path
#                  %m = new master node id
#                  %M = old master node id
#                  %% = '%' character
#

failover_command = 'echo host:%h, node id:%d, port number:%p, database cluster path:%D, new master id:%m, old master id:%M > /var/log/failover.log'


# Execute command by failback.
# special values:  %d = node id
#                  %h = host name
#                  %p = port number
#                  %D = database cluster path
#                  %m = new master node id
#                  %M = old master node id
#                  %% = '%' character
#

failback_command = 'echo host:%h, node id:%d, port number:%p, database cluster path:%D, new master id:%m, old master id:%M > /var/log/failback.log'


# If true, automatically locks a table with INSERT statements to keep
# SERIAL data consistency.  If the data does not have SERIAL data
# type, no lock will be issued. An /*INSERT LOCK*/ comment has the
# same effect.  A /NO INSERT LOCK*/ comment disables the effect.

insert_lock = true


# 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 = true


# 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 true, incoming connections will be printed to the log.

log_connections = true


# If true, hostname will be shown in ps status. Also shown in
# connection log if log_connections = true.
# Be warned that this feature will add overhead to look up hostname.

log_hostname = 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 = 'postgres'
system_db_password = ''


# backend_hostname, backend_port, backend_weight
# here are examples
#backend_hostname0 = 'host1'
#backend_port0 = 5432
#backend_weight0 = 1
#backend_data_directory0 = '/data'
#backend_hostname1 = 'host2'
#backend_port1 = 5433
#backend_weight1 = 1
#backend_data_directory1 = '/data1'


backend_hostname0 = 'localhost'
backend_port0 = 5432
backend_weight0 = 1
backend_data_directory0 = '/var/lib/postgresql/8.4/main'
backend_hostname1 = 'pgpool2'
backend_port1 = 5432
backend_weight1 = 1
backend_data_directory1 = '/var/lib/postgresql/8.4/main'


# - HBA -


# If true, use pool_hba.conf for client authentication. In pgpool-II
# 1.1, the default value is false. The default value will be true in
# 1.2.

enable_pool_hba = false


# - online recovery -
# online recovery user

recovery_user = 'postgres'


# online recovery password

recovery_password = ''


# execute a command in first stage.

recovery_1st_stage_command = 'copy_base_backup'


# execute a command in second stage.

recovery_2nd_stage_command = 'pgpool_recovery_pitr'


# maximum time in seconds to wait for the recovering node's postmaster
# start-up. 0 means no wait.
# this is also used as a timer waiting for clients disconnected before
# starting 2nd stage

recovery_timeout = 90


# If client_idle_limit_in_recovery is n (n > 0), the client is forced
# to be disconnected whenever after n seconds idle (even inside an
# explicit transactions!)  0 means no disconnect. This parameter only
# takes effect in recovery 2nd stage.
client_idle_limit_in_recovery = 0

#
# pgpool-II configuration file sample
# $Header: /cvsroot/pgpool/pgpool-II/pgpool.conf.sample,v 1.26 2009/02/15 05:26:28 t-ishii Exp $


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

listen_addresses = '*'


# 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 = '/var/run/postgresql'


# Unix domain socket path for pgpool communication manager.
# (Debian package defaults to /var/run/postgresql)

pcp_socket_dir = '/tmp'


# Unix domain socket path for the backend. Debian package defaults to /var/run/postgresql!

backend_socket_dir = '/var/run/postgresql'


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

pcp_timeout = 300


# 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 = 360


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

child_max_connections = 0


# If client_idle_limit is n (n > 0), the client is forced to be
# disconnected whenever after n seconds idle (even inside an explicit
# transactions!)
# 0 means no disconnect.

client_idle_limit = 0


# Maximum time in seconds to complete client authentication.

# 0 means no timeout.

authentication_timeout = 60


# Logging directory

logdir = '/var/log/pgpool'


# pid file name

pid_file_name = '/var/run/pgpool/pgpool.pid'


# Replication mode
replication_mode = true
replication_strict = true
replication_timeout = 5000


# Load balancing mode, i.e., all SELECTs 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 degeneration to stop replication mode

replication_stop_on_mismatch = false


# If true, replicate SELECT statement when load balancing is disabled.
# If false, it is only sent to the master node.

replicate_select = 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'
# for 8.3 or newer PostgreSQL versions DISCARD ALL can be used as
# follows. However beware that DISCARD ALL holds exclusive lock on
# pg_listener so it will be a serious performance problem if there are
# lots of concurrent sessions.

reset_query_list = 'ABORT; DISCARD ALL'


# If true print timestamp 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 = 30


# Health check user

health_check_user = 'postgres'


# Execute command by failover.

# special values:  %d = node id
#                  %h = host name
#                  %p = port number
#                  %D = database cluster path
#                  %m = new master node id
#                  %M = old master node id
#                  %% = '%' character
#

failover_command = 'echo host:%h, node id:%d, port number:%p, database cluster path:%D, new master id:%m, old master id:%M > /var/log/failover.log'


# Execute command by failback.

# special values:  %d = node id
#                  %h = host name
#                  %p = port number
#                  %D = database cluster path
#                  %m = new master node id
#                  %M = old master node id
#                  %% = '%' character
#

failback_command = 'echo host:%h, node id:%d, port number:%p, database cluster path:%D, new master id:%m, old master id:%M > /var/log/failover.log'


# If true, automatically locks a table with INSERT statements to keep
# SERIAL data consistency.  If the data does not have SERIAL data
# type, no lock will be issued. An /*INSERT LOCK*/ comment has the
# same effect.  A /NO INSERT LOCK*/ comment disables the effect.

insert_lock = true


# 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 = true


# 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 true, incoming connections will be printed to the log.

log_connections = true


# If true, hostname will be shown in ps status. Also shown in
# connection log if log_connections = true.
# Be warned that this feature will add overhead to look up hostname.

log_hostname = 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 = 'postgres'
system_db_password = ''


# backend_hostname, backend_port, backend_weight
# here are examples
#backend_hostname0 = 'host1'
#backend_port0 = 5432
#backend_weight0 = 1
#backend_data_directory0 = '/data'
#backend_hostname1 = 'host2'
#backend_port1 = 5433
#backend_weight1 = 1
#backend_data_directory1 = '/data1'




backend_hostname0 = 'pgpool1'
backend_port0 = 5432
backend_weight0 = 1
backend_data_directory0 = '/var/lib/postgresql/8.4/main'
backend_hostname1 = 'localhost'
backend_port1 = 5432
backend_weight1 = 1
backend_data_directory1 = '/var/lib/postgresql/8.4/main'


# - HBA -


# If true, use pool_hba.conf for client authentication. In pgpool-II
# 1.1, the default value is false. The default value will be true in
# 1.2.

enable_pool_hba = false


# - online recovery -
# online recovery user

recovery_user = 'postgres'


# online recovery password

recovery_password = ''


# execute a command in first stage.

recovery_1st_stage_command = 'copy_base_backup'


# execute a command in second stage.

recovery_2nd_stage_command = 'pgpool_recovery_pitr'


# maximum time in seconds to wait for the recovering node's postmaster
# start-up. 0 means no wait.
# this is also used as a timer waiting for clients disconnected before
# starting 2nd stage

recovery_timeout = 90


# If client_idle_limit_in_recovery is n (n > 0), the client is forced
# to be disconnected whenever after n seconds idle (even inside an
# explicit transactions!)  0 means no disconnect. This parameter only
# takes effect in recovery 2nd stage.
client_idle_limit_in_recovery = 0