# # pgpool-II configuration file sample # $Header: /cvsroot/pgpool/pgpool-II/pgpool.conf.sample,v 1.15 2007/10/31 10:45:52 y-asaba Exp $ # Host name or IP address to listen on: '*' for all, '' for no TCP/IP # connections listen_addresses = '' # Port number for pgpool port = 127001 # Port number for pgpool communication manager pcp_port = 127001 # Unix domain socket path. (The Debian package defaults to # /var/run/postgresql.) socket_dir = '/var/run/' # Unix domain socket path for pgpool communication manager. # (Debian package defaults to /var/run/postgresql) pcp_socket_dir = '/var/run/pgpool/pcp/' # Unix domain socket path for the backend. Debian package defaults to /var/run/postgresql! backend_socket_dir = '' backend_hostname = '127.0.0.1' backend_port = 5432 # pgpool communication manager timeout. 0 means no timeout, but strongly not recommended! pcp_timeout = 10 # number of pre-forked child process num_init_children = 128 # 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 = 120 # If idle for this many seconds, connection to PostgreSQL closes. # 0 means no timeout. connection_life_time = 60 # If child_max_connections connections were received, child exits. # 0 means no exit. child_max_connections = 1024 # 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/' # PidFile pid_file_name = '/var/log/pgpool/pgpool.pid' # Replication mode replication_mode = false # 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 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' # 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 = false # Health check timeout. 0 means no timeout. health_check_timeout = 20 # Health check period. 0 means no health check. health_check_period = 64 # Health check user health_check_user = 'pgpool_health_check' # Execute command by failover. # special values: %d = node id # %h = host name # %p = port number # %D = database cluster path # %% = '%' character # failover_command = '' # Execute command by failback. # special values: %d = node id # %h = host name # %p = port number # %D = database cluster path # %% = '%' character # failback_command = '' # 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 = 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 = 'pgpool' system_db_password = '' # backend_hostname, backend_port, backend_weight # here are examples #backend_weight0 = 1 #backend_data_directory0 = '/data' #backend_hostname1 = 'host2' #backend_port1 = 5433 #backend_weight1 = 1 #backend_data_directory1 = '/data1' # - 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 = 'nobody' # online recovery password recovery_password = '' # execute a command in first stage. recovery_1st_stage_command = '' # execute a command in second stage. recovery_2nd_stage_command = ''