You are right, it's running. However, I am not able to connect using the cmmands psql -p 9999 -U postgres. I get the following error:
psql: server closed the connection unexpectedly This probably means the server terminated abnormally before or while processing the request. Also, through the web interface which is working, I don't get anything when I click the "node info" button..which means it's empty The following is my configuration: # # pgpool-II configuration file sample # $Header: /cvsroot/pgpool/pgpool-web/contrib_docs/simple_sr_setting/pgpool.conf,v 1.1 2010/11/04 04:39:57 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 = 10 # 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 = 0 # 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 # 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 # Load balancing mode, i.e., all SELECTs are load balanced. # This is ignored if replication_mode is false. load_balance_mode = true # If there's a disagreement with the packet kind sent from backend, # then degenrate the node which is most likely "minority". If false, # just force to exit this session. replication_stop_on_mismatch = false # If there's a disagreement with the number of affected tuples in # UPDATE/DELETE, then degenrate the node which is most likely # "minority". # If false, just abort the transaction to keep the consistency. failover_if_affected_tuples_mismatch = true # 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;DISCARD ALL' # white_function_list is a comma separated list of function names # those do not write to database. Any functions not listed here # are regarded to write to database and SELECTs including such # writer-functions will be executed on master(primary) in master/slave # mode, or executed on all DB nodes in replication mode. # # black_function_list is a comma separated list of function names # those write to database. Any functions not listed here # are regarded not to write to database and SELECTs including such # read-only-functions will be executed on any DB nodes. # # You cannot make full both white_function_list and # black_function_list at the same time. If you specify something in # one of them, you should make empty other. # # Pre 3.0 pgpool-II recognizes nextval and setval in hard coded # way. Following setting will do the same as the previous version. # white_function_list = '' # black_function_list = 'nextval,setval' white_function_list = '' #black_function_list = '' black_function_list = 'nextval,setval,foo' # If true print timestamp on each log line. print_timestamp = true # If true, operate in master/slave mode. master_slave_mode = false # Master/slave sub mode. either 'slony' or 'stream'. Default is 'slony'. # master_slave_sub_mode = 'stream' master_slave_sub_mode = 'stream' # If the standby server delays more than delay_threshold, # any query goes to the primary only. The unit is in bytes. # 0 disables the check. Default is 0. # Note that health_check_period required to be greater than 0 # to enable the functionality. delay_threshold = 100 # 'always' logs the standby delay whenever health check runs. # 'if_over_threshold' logs only if the delay exceeds delay_threshold. # 'none' disables the delay log. log_standby_delay = 'if_over_threshold' #log_standby_delay = 'always' # If true, cache connection pool. connection_cache = true # Health check timeout. 0 means no timeout. health_check_timeout = 10 # Health check period. 0 means no health check. health_check_period = 10 # Health check user health_check_user = 'www-data' # 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 # %H = new master node host name # %P = old primary node id # %% = '%' character # failover_command = '/usr/local/etc/failover.sh %d "%h" %p %D %m %M "%H" %P' # 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 = '/bin/rm -f /tmp/trigger_file1' # If true, trigger fail over when writing to the backend communication # socket fails. This is the same behavior of pgpool-II 2.2.x or # earlier. If set to false, pgpool will report an error and disconnect # the session. fail_over_on_backend_error = false # 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 = 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 = 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 = true # If true, print all statements to the log. Similar to log_statement except # that prints DB node id and backend process id info. log_per_node_statement = true # If true, incoming connections will be printed to the log. log_connections = false # 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 = false # 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 = 'localhost' # 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 # - 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 # md5 authentication file name. '' disables md5 authentication. # To enable md5 auth, enable_pool_hba to true. # Default is 'pool_passwd'. pool_passwd = not_revealed # - online recovery - # online recovery user recovery_user = 'postgres' # online recovery password recovery_password = not_revealed # execute a command in first stage. recovery_1st_stage_command = 'basebackup.sh' # execute a command in second stage. recovery_2nd_stage_command = '' # maximum time in seconds to wait for remote start-up. 0 means no wait recovery_timeout = 60 # 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 # Specify table name to lock. This is used when rewriting lo_creat # command in replication mode. The table must exist and has writable # permission to public. If the table name is '', no rewriting occurs. lobj_lock_table = 'pgpool_lobj_lock' # If true, enable SSL support for both frontend and backend connections. # note that you must also set ssl_key and ssl_cert for SSL to work in # the frontend connections. ssl = true # path to the SSL private key file ssl_key = '/usr/local/etc/server.key' # path to the SSL public certificate file ssl_cert = '/usr/local/etc/server.crt' # Debug message verbosity level. 0: no message, 1 <= : more verbose debug_level = 0 replication_timeout = 5000 log_statement = true ssl_ca_cert = '' ssl_ca_cert_dir = '' backend_hostname0 = '67.23.26.182' backend_port0 = 5432 backend_weight0 = 1 backend_data_directory0 = '/var/lib/postgresql/9.0/main/' backend_hostname1 = '67.23.29.53' backend_port1 = 5432 backend_weight1 = 1 backend_data_directory1 = '/var/lib/postgresql/9.0/main/' backend_hostname2 = '67.23.27.95' backend_port2 = 5432 backend_weight2 = 1 backend_data_directory2 = '/var/lib/postgresql/9.0/main/' On Thu, Feb 3, 2011 at 2:40 PM, Sandeep Thakkar <[email protected]> wrote: > > That is the correct output. I think, pgpool must be running fine. Did you > check your processes after this? What options do you give while starting > pgpool? Use "pgpool -d -D -f pgpool.conf". > > ------------------------------ > *From:* Bharath Keshav <[email protected]> > *To:* [email protected] > *Sent:* Thu, February 3, 2011 2:32:21 PM > *Subject:* [Pgpool-general] stuck with a shmem_exit after the loading of > "/usr/local/etc/pool_hba.conf" > > I am getting the following error when I try to run Pgpool. I am trying to > use postgresql 9.0 hot streaming and then load balancing capability of > Pgpool. However, I am stuck with a shmem_exit after the loading > of "/usr/local/etc/pool_hba.conf", as attached below. Please let me know > what could be wrong. > > > 2011-02-03 08:53:20 DEBUG: pid 12138: key: listen_addresses > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '*' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: port > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 9999 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: pcp_port > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 9898 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: socket_dir > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '/var/run/postgresql' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: pcp_socket_dir > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '/tmp' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: backend_socket_dir > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '/var/run/postgresql' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: pcp_timeout > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 10 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: num_init_children > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 32 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: max_pool > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 4 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: child_life_time > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 0 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: connection_life_time > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 0 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: child_max_connections > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 0 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: client_idle_limit > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 0 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: authentication_timeout > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 60 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: logdir > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '/var/log/pgpool' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: pid_file_name > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '/var/run/pgpool/pgpool.pid' > kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: replication_mode > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: load_balance_mode > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: replication_stop_on_mismatch > 2011-02-03 08:53:20 DEBUG: pid 12138: value: false kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: replication_stop_on_mismatch: 0 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: > failover_if_affected_tuples_mismatch > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: failover_if_affected_tuples_mismatch: > 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: replicate_select > 2011-02-03 08:53:20 DEBUG: pid 12138: value: false kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: replicate_select: 0 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: reset_query_list > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'ABORT;DISCARD ALL' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: extract_string_tokens: token: ABORT > 2011-02-03 08:53:20 DEBUG: pid 12138: extract_string_tokens: token: DISCARD > ALL > 2011-02-03 08:53:20 DEBUG: pid 12138: key: white_function_list > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: black_function_list > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'nextval,setval,foo' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: extract_string_tokens: token: nextval > 2011-02-03 08:53:20 DEBUG: pid 12138: extract_string_tokens: token: setval > 2011-02-03 08:53:20 DEBUG: pid 12138: extract_string_tokens: token: foo > 2011-02-03 08:53:20 DEBUG: pid 12138: key: print_timestamp > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: master_slave_mode > 2011-02-03 08:53:20 DEBUG: pid 12138: value: false kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: master_slave_sub_mode > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'stream' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: delay_threshold > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 100 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: log_standby_delay > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'if_over_threshold' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: connection_cache > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: health_check_timeout > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 10 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: health_check_period > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 10 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: health_check_user > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'www-data' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: failover_command > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '/usr/local/etc/failover.sh %d > "%h" %p %D %m %M "%H" %P' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: failback_command > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '/bin/rm -f > /tmp/trigger_file1' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: fail_over_on_backend_error > 2011-02-03 08:53:20 DEBUG: pid 12138: value: false kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: insert_lock > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: ignore_leading_white_space > 2011-02-03 08:53:20 DEBUG: pid 12138: value: false kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: log_statement > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: log_per_node_statement > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: log_connections > 2011-02-03 08:53:20 DEBUG: pid 12138: value: false kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: log_hostname > 2011-02-03 08:53:20 DEBUG: pid 12138: value: false kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: parallel_mode > 2011-02-03 08:53:20 DEBUG: pid 12138: value: false kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: enable_query_cache > 2011-02-03 08:53:20 DEBUG: pid 12138: value: false kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: pgpool2_hostname > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '67.23.26.182' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: system_db_hostname > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '67.23.26.182' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: system_db_port > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 5432 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: system_db_dbname > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'pgpool' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: system_db_schema > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'pgpool_catalog' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: system_db_user > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'pgpool' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: system_db_password > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: enable_pool_hba > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: pool_passwd > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'pool_passwd' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: recovery_user > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'postgres' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: recovery_password > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'pgpoolAdmin' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: recovery_1st_stage_command > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'basebackup.sh' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: recovery_2nd_stage_command > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: recovery_timeout > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 60 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: client_idle_limit_in_recovery > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 0 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: lobj_lock_table > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 'pgpool_lobj_lock' kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: ssl > 2011-02-03 08:53:20 DEBUG: pid 12138: value: true kind: 1 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: ssl_key > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '/usr/local/etc/server.key' > kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: ssl_cert > 2011-02-03 08:53:20 DEBUG: pid 12138: value: '/usr/local/etc/server.crt' > kind: 4 > 2011-02-03 08:53:20 DEBUG: pid 12138: key: debug_level > 2011-02-03 08:53:20 DEBUG: pid 12138: value: 0 kind: 2 > 2011-02-03 08:53:20 DEBUG: pid 12138: loading > "/usr/local/etc/pool_hba.conf" for client authentication configuration file > 2011-02-03 08:53:20 DEBUG: pid 12138: shmem_exit(0) > > > thanks, > Bharath > >
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