# # pgpool configuration file sample # $Header: /cvsroot/pgpool/pgpool/pgpool.conf.sample,v 1.5 2006/06/04 10:03:30 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 # Unix domain socket path. (The Debian package defaults to # /var/run/postgresql.) socket_dir = '/tmp' # Host name where PostgreSQL server is running on. '' means localhost # using Unix domain socket. backend_host_name = '' # port number PostgreSQL server is running on backend_port = 5432 # Unix domain socket path for the backend. (The Debian package defaults # to /var/run/postgresql.) backend_socket_dir = '/tmp' # Host name where secondary PostgreSQL server is running on. '' means # localhost using Unix domain socket. secondary_backend_host_name = '' # Port number secondary PostgreSQL server is running on. 0 means no # secondary PostgreSQL. secondary_backend_port = 0 # Number of pre-forked child processes 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 noticable 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 # Load balance weight for master and secondary. The actual weight is # calculated by weight_master divided by weight_secondary. For # example both # # weight_master = 10 and weight_secondary = 5 # weight_master = 4 and weight_secondary = 2 # # are regarded as the master having double the weight compared to the # secondary. Master and secondary have the same weight in the default. weight_master = 0.5 weight_secondary = 0.5 # If there is a data mismatch between master and secondary, start # degeneration 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 = false