Closed yjdwbj closed 3 years ago
Hello,here my postgresql conf.
grep -v '^#' /etc/postgresql/9.5/main/postgresql.conf | grep -v '^$' | grep -v '#' archive_mode = on effective_cache_size = 20GB syslog_facility = 'LOCAL0' syslog_ident = 'postgres' log_checkpoints = on log_disconnections = on log_timezone = 'PRC' stats_temp_directory = '/var/run/postgresql/9.5-main.pg_stat_tmp' datestyle = 'iso, ymd' timezone = 'PRC' default_text_search_config = 'pg_catalog.english' root@25-108:/home/www/test_openresty# grep -v '^#' /etc/postgresql/9.5/main/postgresql.conf | grep -v '^$' data_directory = '/data/pgdata' # use data in another directory # (change requires restart) hba_file = '/etc/postgresql/9.5/main/pg_hba.conf' # host-based authentication file # (change requires restart) ident_file = '/etc/postgresql/9.5/main/pg_ident.conf' # ident configuration file # (change requires restart) external_pid_file = '/var/run/postgresql/9.5-main.pid' # write an extra PID file # (change requires restart) listen_addresses = '*' # what IP address(es) to listen on; # comma-separated list of addresses; # defaults to 'localhost'; use '*' for all # (change requires restart) port = 5432 # (change requires restart) max_connections = 4000 # (change requires restart) unix_socket_directories = '/var/run/postgresql' # comma-separated list of directories # (change requires restart) # (change requires restart) # (change requires restart) # (change requires restart) ssl = true # (change requires restart) # (change requires restart) ssl_cert_file = '/etc/ssl/certs/ssl-cert-snakeoil.pem' # (change requires restart) ssl_key_file = '/etc/ssl/private/ssl-cert-snakeoil.key' # (change requires restart) # 0 selects the system default # 0 selects the system default # 0 selects the system default shared_buffers = 16GB # min 128kB # (change requires restart) # (change requires restart) temp_buffers = 32MB # min 800kB # (change requires restart) work_mem = 8192MB # min 64kB maintenance_work_mem = 8192MB # min 1MB max_stack_depth = 4096 # min 100kB dynamic_shared_memory_type = posix # the default is the first option # supported by the operating system: # posix # sysv # windows # mmap # use none to disable dynamic shared memory # in kB, or -1 for no limit # (change requires restart) vacuum_cost_delay = 10ms # 0-100 milliseconds vacuum_cost_limit = 10000 # 1-10000 credits bgwriter_delay = 10ms # 10-10000ms between rounds wal_level = hot_standby # minimal, archive, hot_standby, or logical # (change requires restart) synchronous_commit = on # synchronization level; # off, local, remote_write, or on # supported by the operating system: # open_datasync # fdatasync (default on Linux) # fsync # fsync_writethrough # open_sync # (change requires restart) wal_buffers = 16MB # min 32kB, -1 sets based on shared_buffers # (change requires restart) wal_writer_delay = 20ms # 1-10000 milliseconds checkpoint_timeout = 5min # range 30s-1h archive_mode = on # (change requires restart) # placeholders: %p = path of file to archive # %f = file name only # e.g. 'test ! -f /mnt/server/archivedir/%f && cp %p /mnt/server/archivedir/%f' # number of seconds; 0 disables max_wal_senders = 32 # max number of walsender processes # (change requires restart) # (change requires restart) # (change requires restart) # comma-separated list of application_name # from standby(s); '*' = all hot_standby = on # "on" allows queries during recovery # (change requires restart) # when reading WAL from archive; # -1 allows indefinite delay # when reading streaming WAL; # -1 allows indefinite delay # 0 disables # query conflicts # communication from master # in milliseconds; 0 disables # retrieve WAL after a failed attempt effective_cache_size = 20GB # JOIN clauses log_destination = 'csvlog' # Valid values are combinations of # stderr, csvlog, syslog, and eventlog, # depending on platform. csvlog # requires logging_collector to be on. logging_collector = on # Enable capturing of stderr and csvlog # into log files. Required to be on for # csvlogs. # (change requires restart) # can be absolute or relative to PGDATA # can include strftime() escapes # begin with 0 to use octal notation log_truncate_on_rotation = on # If on, an existing log file with the # same name as the new log file will be # truncated rather than appended to. # But such truncation only occurs on # time-driven rotation, not on restarts # or size-driven rotation. Default is # off, meaning append to existing files # in all cases. log_rotation_age = 1d # Automatic rotation of logfiles will # happen after that time. 0 disables. log_rotation_size = 10MB # Automatic rotation of logfiles will # happen after that much log output. # 0 disables. syslog_facility = 'LOCAL0' syslog_ident = 'postgres' client_min_messages = notice # values in order of decreasing detail: # debug5 # debug4 # debug3 # debug2 # debug1 # log # notice # warning # error log_min_messages = notice # values in order of decreasing detail: # debug5 # debug4 # debug3 # debug2 # debug1 # info # notice # warning # error # log # fatal # panic # debug5 # debug4 # debug3 # debug2 # debug1 # info # notice # warning # error # log # fatal # panic (effectively off) log_min_duration_statement = 1000ms # -1 is disabled, 0 logs all statements # and their durations, > 0 logs only # statements running at least this number # of milliseconds log_checkpoints = on log_disconnections = on log_error_verbosity = verbose # terse, default, or verbose messages log_line_prefix = '%t [%p-%l] %q%u@%d ' # special values: # %a = application name # %u = user name # %d = database name # %r = remote host and port # %h = remote host # %p = process ID # %t = timestamp without milliseconds # %m = timestamp with milliseconds # %i = command tag # %e = SQL state # %c = session ID # %l = session line number # %s = session start timestamp # %v = virtual transaction ID # %x = transaction ID (0 if none) # %q = stop here in non-session # processes # %% = '%' # e.g. '<%u%%%d> ' log_lock_waits = on # log lock waits >= deadlock_timeout # than the specified size in kilobytes; # -1 disables, 0 logs all temp files log_timezone = 'PRC' # (change requires restart) stats_temp_directory = '/var/run/postgresql/9.5-main.pg_stat_tmp' autovacuum = on # Enable autovacuum subprocess? 'on' # requires track_counts to also be on. log_autovacuum_min_duration = 0 # -1 disables, 0 logs all actions and # their durations, > 0 logs only # actions running at least this number # of milliseconds. # (change requires restart) # vacuum # analyze # (change requires restart) # before forced vacuum # (change requires restart) # autovacuum, in milliseconds; # -1 means use vacuum_cost_delay # autovacuum, -1 means use # vacuum_cost_limit # only default tablespace datestyle = 'iso, ymd' timezone = 'PRC' # abbreviations. Currently, there are # Default # Australia (historical usage) # India # You can create your own file in # share/timezonesets/. # encoding lc_messages = 'en_US.UTF-8' # locale for system error message # strings lc_monetary = 'zh_CN.UTF-8' # locale for monetary formatting lc_numeric = 'zh_CN.UTF-8' # locale for number formatting lc_time = 'zh_CN.UTF-8' # locale for time formatting default_text_search_config = 'pg_catalog.english' # (change requires restart) # (change requires restart) # directory 'conf.d' root@25-108:/home/www/test_openresty# ^C root@25-108:/home/www/test_openresty# grep -v '^#' /etc/postgresql/9.5/main/postgresql.conf | grep -v '^$' data_directory = '/data/pgdata' # use data in another directory # (change requires restart) hba_file = '/etc/postgresql/9.5/main/pg_hba.conf' # host-based authentication file # (change requires restart) ident_file = '/etc/postgresql/9.5/main/pg_ident.conf' # ident configuration file # (change requires restart) external_pid_file = '/var/run/postgresql/9.5-main.pid' # write an extra PID file # (change requires restart) listen_addresses = '*' # what IP address(es) to listen on; # comma-separated list of addresses; # defaults to 'localhost'; use '*' for all # (change requires restart) port = 5432 # (change requires restart) max_connections = 4000 # (change requires restart) unix_socket_directories = '/var/run/postgresql' # comma-separated list of directories # (change requires restart) # (change requires restart) # (change requires restart) # (change requires restart) ssl = true # (change requires restart) # (change requires restart) ssl_cert_file = '/etc/ssl/certs/ssl-cert-snakeoil.pem' # (change requires restart) ssl_key_file = '/etc/ssl/private/ssl-cert-snakeoil.key' # (change requires restart) # 0 selects the system default # 0 selects the system default # 0 selects the system default shared_buffers = 16GB # min 128kB # (change requires restart) # (change requires restart) temp_buffers = 32MB # min 800kB # (change requires restart) work_mem = 8192MB # min 64kB maintenance_work_mem = 8192MB # min 1MB max_stack_depth = 4096 # min 100kB dynamic_shared_memory_type = posix # the default is the first option # supported by the operating system: # posix # sysv # windows # mmap # use none to disable dynamic shared memory # in kB, or -1 for no limit # (change requires restart) vacuum_cost_delay = 10ms # 0-100 milliseconds vacuum_cost_limit = 10000 # 1-10000 credits bgwriter_delay = 10ms # 10-10000ms between rounds wal_level = hot_standby # minimal, archive, hot_standby, or logical # (change requires restart) synchronous_commit = on # synchronization level; # off, local, remote_write, or on # supported by the operating system: # open_datasync # fdatasync (default on Linux) # fsync # fsync_writethrough # open_sync # (change requires restart) wal_buffers = 16MB # min 32kB, -1 sets based on shared_buffers # (change requires restart) wal_writer_delay = 20ms # 1-10000 milliseconds checkpoint_timeout = 5min # range 30s-1h archive_mode = on # (change requires restart) # placeholders: %p = path of file to archive # %f = file name only # e.g. 'test ! -f /mnt/server/archivedir/%f && cp %p /mnt/server/archivedir/%f' # number of seconds; 0 disables max_wal_senders = 32 # max number of walsender processes # (change requires restart) # (change requires restart) # (change requires restart) # comma-separated list of application_name # from standby(s); '*' = all hot_standby = on # "on" allows queries during recovery # (change requires restart) # when reading WAL from archive; # -1 allows indefinite delay # when reading streaming WAL; # -1 allows indefinite delay # 0 disables # query conflicts # communication from master # in milliseconds; 0 disables # retrieve WAL after a failed attempt effective_cache_size = 20GB # JOIN clauses log_destination = 'csvlog' # Valid values are combinations of # stderr, csvlog, syslog, and eventlog, # depending on platform. csvlog # requires logging_collector to be on. logging_collector = on # Enable capturing of stderr and csvlog
016-12-20 11:14:09 CST [24633-1] [unknown]@[unknown] LOG: incomplete startup packet 2016-12-20 11:14:09 CST [25669-1] mqtt@test_mqtt FATAL: sorry, too many clients already 2016-12-20 11:14:09 CST [25667-1] mqtt@test_mqtt FATAL: remaining connection slots are reserved for non-replication superuser connections 2016-12-20 11:14:09 CST [25668-1] mqtt@test_mqtt FATAL: remaining connection slots are reserved for non-replication superuser connections 2016-12-20 11:14:09 CST [25670-1] mqtt@test_mqtt FATAL: remaining connection slots are reserved for non-replication superuser connections
are you closing your connections or re-using them after you're done with them?
Hello,here my postgresql conf.
016-12-20 11:14:09 CST [24633-1] [unknown]@[unknown] LOG: incomplete startup packet 2016-12-20 11:14:09 CST [25669-1] mqtt@test_mqtt FATAL: sorry, too many clients already 2016-12-20 11:14:09 CST [25667-1] mqtt@test_mqtt FATAL: remaining connection slots are reserved for non-replication superuser connections 2016-12-20 11:14:09 CST [25668-1] mqtt@test_mqtt FATAL: remaining connection slots are reserved for non-replication superuser connections 2016-12-20 11:14:09 CST [25670-1] mqtt@test_mqtt FATAL: remaining connection slots are reserved for non-replication superuser connections