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# pgpool-II configuration file sample for Stream replication/Hot standby.
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# $Header: /cvsroot/pgpool/pgpool-II/pgpool.conf.sample-stream,v 1.5.2.3 2011/05/11 01:57:13 t-ishii Exp $
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# Host name or IP address to listen on: '*' for all, '' for no TCP/IP
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listen_addresses = 'localhost'
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# Port number for pgpool
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# Port number for pgpool communication manager
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# Unix domain socket path. (The Debian package defaults to
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# /var/run/postgresql.)
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socket_dir = '/var/run/postgresql'
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# Unix domain socket path for pgpool communication manager.
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# (Debian package defaults to /var/run/postgresql)
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pcp_socket_dir = '/var/run/postgresql'
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# Unix domain socket path for the backend. Debian package defaults to /var/run/postgresql!
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backend_socket_dir = '/var/run/postgresql'
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# pgpool communication manager timeout. 0 means no timeout. This parameter is ignored now.
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# number of pre-forked child process
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num_init_children = 32
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# Number of connection pools allowed for a child process
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# If idle for this many seconds, child exits. 0 means no timeout.
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# If idle for this many seconds, connection to PostgreSQL closes.
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connection_life_time = 0
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# If child_max_connections connections were received, child exits.
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child_max_connections = 0
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# If client_idle_limit is n (n > 0), the client is forced to be
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# disconnected whenever after n seconds idle (even inside an explicit
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# 0 means no disconnect.
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# Maximum time in seconds to complete client authentication.
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authentication_timeout = 60
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logdir = '/var/log/postgresql'
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pid_file_name = '/var/run/postgresql/pgpool.pid'
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replication_mode = false
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# Load balancing mode, i.e., all SELECTs are load balanced.
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load_balance_mode = true
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# If there's a disagreement with the packet kind sent from backend,
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# then degenrate the node which is most likely "minority". If false,
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# just force to exit this session.
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replication_stop_on_mismatch = false
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# If there's a disagreement with the number of affected tuples in
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# UPDATE/DELETE, then degenrate the node which is most likely
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# If false, just abort the transaction to keep the consistency.
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failover_if_affected_tuples_mismatch = false
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# If true, replicate SELECT statement when replication_mode or parallel_mode is enabled.
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# A priority of replicate_select is higher than load_balance_mode.
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replicate_select = false
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# Semicolon separated list of queries to be issued at the end of a
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reset_query_list = 'ABORT; DISCARD ALL'
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# for 8.2 or older this should be as follows.
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#reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'
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# white_function_list is a comma separated list of function names
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# those do not write to database. Any functions not listed here
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# are regarded to write to database and SELECTs including such
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# writer-functions will be executed on master(primary) in master/slave
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# mode, or executed on all DB nodes in replication mode.
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# black_function_list is a comma separated list of function names
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# those write to database. Any functions not listed here
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# are regarded not to write to database and SELECTs including such
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# read-only-functions will be executed on any DB nodes.
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# You cannot make full both white_function_list and
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# black_function_list at the same time. If you specify something in
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# one of them, you should make empty other.
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# Pre 3.0 pgpool-II recognizes nextval and setval in hard coded
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# way. Following setting will do the same as the previous version.
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# white_function_list = ''
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# black_function_list = 'nextval,setval'
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white_function_list = ''
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black_function_list = 'currval,lastval,nextval,setval'
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# If true print timestamp on each log line.
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print_timestamp = true
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# If true, operate in master/slave mode.
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master_slave_mode = true
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# Master/slave sub mode. either 'slony' or 'stream'. Default is 'slony'.
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master_slave_sub_mode = 'stream'
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# If the standby server delays more than delay_threshold,
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# any query goes to the primary only. The unit is in bytes.
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# 0 disables the check. Default is 0.
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# Note that health_check_period required to be greater than 0
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# to enable the functionality.
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delay_threshold = 10000000
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# 'always' logs the standby delay whenever health check runs.
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# 'if_over_threshold' logs only if the delay exceeds delay_threshold.
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# 'none' disables the delay log.
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log_standby_delay = 'if_over_threshold'
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# If true, cache connection pool.
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connection_cache = true
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# Health check timeout. 0 means no timeout.
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health_check_timeout = 20
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# Health check period. 0 means no health check.
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health_check_period = 0
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health_check_user = 'nobody'
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# Execute command by failover.
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# special values: %d = node id
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# %D = database cluster path
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# %m = new master node id
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# %H = hostname of the new master node
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# %M = old master node id
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# %P = old primary node id
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failover_command = ''
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# Execute command by failback.
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# special values: %d = node id
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# %D = database cluster path
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# %m = new master node id
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# %H = hostname of the new master node
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# %M = old master node id
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# %P = old primary node id
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failback_command = ''
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# If true, trigger fail over when writing to the backend communication
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# socket fails. This is the same behavior of pgpool-II 2.2.x or
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# earlier. If set to false, pgpool will report an error and disconnect
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fail_over_on_backend_error = true
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# If true, automatically locks a table with INSERT statements to keep
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# SERIAL data consistency. If the data does not have SERIAL data
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# type, no lock will be issued. An /*INSERT LOCK*/ comment has the
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# same effect. A /*NO INSERT LOCK*/ comment disables the effect.
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# If true, ignore leading white spaces of each query while pgpool judges
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# whether the query is a SELECT so that it can be load balanced. This
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# is useful for certain APIs such as DBI/DBD which is known to adding an
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# extra leading white space.
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ignore_leading_white_space = true
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# If true, print all statements to the log. Like the log_statement option
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# to PostgreSQL, this allows for observing queries without engaging in full
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log_statement = false
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# If true, print all statements to the log. Similar to log_statement except
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# that prints DB node id and backend process id info.
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log_per_node_statement = false
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# If true, incoming connections will be printed to the log.
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log_connections = false
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# If true, hostname will be shown in ps status. Also shown in
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# connection log if log_connections = true.
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# Be warned that this feature will add overhead to look up hostname.
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# if non 0, run in parallel query mode
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parallel_mode = false
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# if non 0, use query cache
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enable_query_cache = false
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#set pgpool2 hostname
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pgpool2_hostname = ''
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system_db_hostname = 'localhost'
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system_db_port = 5432
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system_db_dbname = 'pgpool'
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system_db_schema = 'pgpool_catalog'
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system_db_user = 'pgpool'
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system_db_password = ''
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# backend_hostname, backend_port, backend_weight
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backend_hostname0 = 'host1'
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backend_data_directory0 = '/data'
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backend_hostname1 = 'host2'
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backend_data_directory1 = '/data1'
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# If true, use pool_hba.conf for client authentication.
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enable_pool_hba = false
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# - online recovery -
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# online recovery user
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recovery_user = 'nobody'
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# online recovery password
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recovery_password = ''
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# execute a command in first stage.
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recovery_1st_stage_command = ''
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# execute a command in second stage.
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recovery_2nd_stage_command = ''
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# maximum time in seconds to wait for the recovering node's postmaster
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# start-up. 0 means no wait.
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# this is also used as a timer waiting for clients disconnected before
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recovery_timeout = 90
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# If client_idle_limit_in_recovery is n (n > 0), the client is forced
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# to be disconnected whenever after n seconds idle (even inside an
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# explicit transactions!) in the second stage of online recovery.
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# n = -1 forces clients to be disconnected immediately.
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# 0 disables this functionality(wait forever).
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# This parameter only takes effect in recovery 2nd stage.
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client_idle_limit_in_recovery = 0
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# Specify table name to lock. This is used when rewriting lo_creat
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# command in replication mode. The table must exist and has writable
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# permission to public. If the table name is '', no rewriting occurs.
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# If true, enable SSL support for both frontend and backend connections.
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# note that you must also set ssl_key and ssl_cert for SSL to work in
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# the frontend connections.
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# path to the SSL private key file
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#ssl_key = './server.key'
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# path to the SSL public certificate file
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#ssl_cert = './server.cert'
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# If either ssl_ca_cert or ssl_ca_cert_dir is set, then certificate
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# verification will be performed to establish the authenticity of the
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# certificate. If neither is set to a nonempty string then no such
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# verification takes place. ssl_ca_cert should be a path to a single
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# PEM format file containing CA root certificate(s), whereas ssl_ca_cert_dir
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# should be a directory containing such files. These are analagous to the
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# -CAfile and -CApath options to openssl verify(1), respectively.
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#ssl_ca_cert_dir = ''
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# Debug message verbosity level. 0: no message, 1 <= : more verbose
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pgpool.conf.sample-stream
