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pgpool(8)

pgpool-II 4.1.1
2019

pgpool2

connection pool server and replication proxy for PostgreSQL

NAME

pgpool - Pgpool-II main server

SYNOPSIS

pgpool [option...]
pgpool [option...] stop
pgpool [option...] reload

DESCRIPTION

the Pgpool-II main server

USAGES

pgpool runs in 3 modes: start, stop and reload. If none of stop or reload is given, it is assumed that "start" is specified.

COMMON OPTIONS

These are common options for 3 modes.
-a hba_config_file
--hba-file=hba_config_file
Set the path to the pool_hba.conf configuration file. Mandatory if the file is placed other than the standard location.
-f config_file
--config-file=config_file
Set the path to the pgpool.conf configuration file. Mandatory if the file is placed other than the standard location.
-F pc_config_file
--pcp-file=pcp_config_file
Set the path to the pcp.conf configuration file. Mandatory if the file is placed other than the standard location.
-k key_file
--key-file=key_file
Set the path to the .pgpoolkey file. Mandatory if you use AES256 encrypted password and the file is placed other than the standard locatiaon and used.
-h
--help
Print help.

STARTING PGPOOL-II MAIN SERVER

Here are options for the start mode.
-d
--debug
Run Pgpool-II in debug mode. Lots of debug messages are produced.
-n
--dont-detach
Dont run in daemon mode, does not detach control ttys.
-x
--debug-assertions
Turns on various assertion checks, This is a debugging aid.
-C
--clear-oidmaps
Clear query cache oidmaps when memqcache_method is memcached.
If memqcache_method is shmem, Pgpool-II always discards oidmaps at the start-up time. So this option is not necessary.
-D
--discard-status
Discard pgpool_status file and do not restore previous status.

STOPPING PGPOOL-II MAIN SERVER

Here are options for the stop mode.
-m shutdown_mode
--mode=shutdown_mode
Stop Pgpool-II. shutdown_mode is either smart, fast or immediate. If smart is specified, Pgpool-II will wait for all clients are disconnected. If fast or immediate are specified, Pgpool-II immediately stops itself without waiting for all clients are disconnected. Theres no difference between fast and immediate in the current implementation.

RELOADING PGPOOL-II CONFIGURATION FILES

Reload configuration file of Pgpool-II. No specific options exist for realod mode. Common options are applicable.
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