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Postgres Configuration & Out of clients error
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| Problem encountered: | |
| Database a bit slow handling queries when load gets heavy. | |
| Also, eventually ran into this error: "sorry, too many clients already" | |
| What can be done to improve this configuration based on the server? | |
| Postgres config starts on line 138 | |
| SYSTEM MEMORY, VMWARE GUEST (Ubuntu Server): | |
| cat /proc/meminfo: | |
| MemTotal: 20561392 kB | |
| MemFree: 278656 kB | |
| MemAvailable: 15173764 kB | |
| Buffers: 55900 kB | |
| Cached: 17690132 kB | |
| SwapCached: 21160 kB | |
| Active: 14917112 kB | |
| Inactive: 4570136 kB | |
| Active(anon): 3647532 kB | |
| Inactive(anon): 974728 kB | |
| Active(file): 11269580 kB | |
| Inactive(file): 3595408 kB | |
| Unevictable: 3660 kB | |
| Mlocked: 3660 kB | |
| SwapTotal: 10481660 kB | |
| SwapFree: 9730808 kB | |
| Dirty: 33948 kB | |
| Writeback: 0 kB | |
| AnonPages: 1739056 kB | |
| Mapped: 2758648 kB | |
| Shmem: 2878656 kB | |
| Slab: 455192 kB | |
| SReclaimable: 384608 kB | |
| SUnreclaim: 70584 kB | |
| KernelStack: 6128 kB | |
| PageTables: 235888 kB | |
| NFS_Unstable: 0 kB | |
| Bounce: 0 kB | |
| WritebackTmp: 0 kB | |
| CommitLimit: 20762356 kB | |
| Committed_AS: 7143596 kB | |
| VmallocTotal: 34359738367 kB | |
| VmallocUsed: 0 kB | |
| VmallocChunk: 0 kB | |
| HardwareCorrupted: 0 kB | |
| AnonHugePages: 202752 kB | |
| CmaTotal: 0 kB | |
| CmaFree: 0 kB | |
| HugePages_Total: 0 | |
| HugePages_Free: 0 | |
| HugePages_Rsvd: 0 | |
| HugePages_Surp: 0 | |
| Hugepagesize: 2048 kB | |
| DirectMap4k: 88000 kB | |
| DirectMap2M: 20883456 kB | |
| CPU INFO: | |
| cat /proc/cpuinfo: | |
| processor : 0 | |
| vendor_id : GenuineIntel | |
| cpu family : 6 | |
| model : 42 | |
| model name : Intel(R) Xeon(R) CPU E31230 @ 3.20GHz | |
| stepping : 7 | |
| microcode : 0x29 | |
| cpu MHz : 3200.022 | |
| cache size : 8192 KB | |
| physical id : 0 | |
| siblings : 3 | |
| core id : 0 | |
| cpu cores : 3 | |
| apicid : 0 | |
| initial apicid : 0 | |
| fpu : yes | |
| fpu_exception : yes | |
| cpuid level : 13 | |
| wp : yes | |
| flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss ht syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes xsave avx hypervisor lahf_lm epb dtherm ida arat pln pts | |
| bugs : | |
| bogomips : 6400.04 | |
| clflush size : 64 | |
| cache_alignment : 64 | |
| address sizes : 40 bits physical, 48 bits virtual | |
| power management: | |
| processor : 1 | |
| vendor_id : GenuineIntel | |
| cpu family : 6 | |
| model : 42 | |
| model name : Intel(R) Xeon(R) CPU E31230 @ 3.20GHz | |
| stepping : 7 | |
| microcode : 0x29 | |
| cpu MHz : 3200.022 | |
| cache size : 8192 KB | |
| physical id : 0 | |
| siblings : 3 | |
| core id : 1 | |
| cpu cores : 3 | |
| apicid : 1 | |
| initial apicid : 1 | |
| fpu : yes | |
| fpu_exception : yes | |
| cpuid level : 13 | |
| wp : yes | |
| flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss ht syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes xsave avx hypervisor lahf_lm epb dtherm ida arat pln pts | |
| bugs : | |
| bogomips : 6400.04 | |
| clflush size : 64 | |
| cache_alignment : 64 | |
| address sizes : 40 bits physical, 48 bits virtual | |
| power management: | |
| processor : 2 | |
| vendor_id : GenuineIntel | |
| cpu family : 6 | |
| model : 42 | |
| model name : Intel(R) Xeon(R) CPU E31230 @ 3.20GHz | |
| stepping : 7 | |
| microcode : 0x29 | |
| cpu MHz : 3200.022 | |
| cache size : 8192 KB | |
| physical id : 0 | |
| siblings : 3 | |
| core id : 2 | |
| cpu cores : 3 | |
| apicid : 2 | |
| initial apicid : 2 | |
| fpu : yes | |
| fpu_exception : yes | |
| cpuid level : 13 | |
| wp : yes | |
| flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss ht syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes xsave avx hypervisor lahf_lm epb dtherm ida arat pln pts | |
| bugs : | |
| bogomips : 6400.04 | |
| clflush size : 64 | |
| cache_alignment : 64 | |
| address sizes : 40 bits physical, 48 bits virtual | |
| power management: | |
| POSTGRES CONFIGURATION: | |
| /etc/postgresql/9.3/main/postgresql.conf: | |
| # ----------------------------- | |
| # PostgreSQL configuration file | |
| # ----------------------------- | |
| # | |
| # This file consists of lines of the form: | |
| # | |
| # name = value | |
| # | |
| # (The "=" is optional.) Whitespace may be used. Comments are introduced with | |
| # "#" anywhere on a line. The complete list of parameter names and allowed | |
| # values can be found in the PostgreSQL documentation. | |
| # | |
| # The commented-out settings shown in this file represent the default values. | |
| # Re-commenting a setting is NOT sufficient to revert it to the default value; | |
| # you need to reload the server. | |
| # | |
| # This file is read on server startup and when the server receives a SIGHUP | |
| # signal. If you edit the file on a running system, you have to SIGHUP the | |
| # server for the changes to take effect, or use "pg_ctl reload". Some | |
| # parameters, which are marked below, require a server shutdown and restart to | |
| # take effect. | |
| # | |
| # Any parameter can also be given as a command-line option to the server, e.g., | |
| # "postgres -c log_connections=on". Some parameters can be changed at run time | |
| # with the "SET" SQL command. | |
| # | |
| # Memory units: kB = kilobytes Time units: ms = milliseconds | |
| # MB = megabytes s = seconds | |
| # GB = gigabytes min = minutes | |
| # h = hours | |
| # d = days | |
| #------------------------------------------------------------------------------ | |
| # FILE LOCATIONS | |
| #------------------------------------------------------------------------------ | |
| # The default values of these variables are driven from the -D command-line | |
| # option or PGDATA environment variable, represented here as ConfigDir. | |
| data_directory = '/var/lib/postgresql/9.3/main' # use data in another directory | |
| # (change requires restart) | |
| hba_file = '/etc/postgresql/9.3/main/pg_hba.conf' # host-based authentication file | |
| # (change requires restart) | |
| ident_file = '/etc/postgresql/9.3/main/pg_ident.conf' # ident configuration file | |
| # (change requires restart) | |
| # If external_pid_file is not explicitly set, no extra PID file is written. | |
| external_pid_file = '/var/run/postgresql/9.3-main.pid' # write an extra PID file | |
| # (change requires restart) | |
| #------------------------------------------------------------------------------ | |
| # CONNECTIONS AND AUTHENTICATION | |
| #------------------------------------------------------------------------------ | |
| # - Connection Settings - | |
| #listen_addresses = 'localhost' # 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 = 100 # (change requires restart) | |
| #superuser_reserved_connections = 3 # (change requires restart) | |
| unix_socket_directories = '/var/run/postgresql' # comma-separated list of directories | |
| # (change requires restart) | |
| #unix_socket_group = '' # (change requires restart) | |
| #unix_socket_permissions = 0777 # begin with 0 to use octal notation | |
| # (change requires restart) | |
| #bonjour = off # advertise server via Bonjour | |
| # (change requires restart) | |
| #bonjour_name = '' # defaults to the computer name | |
| # (change requires restart) | |
| # - Security and Authentication - | |
| #authentication_timeout = 1min # 1s-600s | |
| ssl = on # (change requires restart) | |
| #ssl_ciphers = 'DEFAULT:!LOW:!EXP:!MD5:@STRENGTH' # allowed SSL ciphers | |
| # (change requires restart) | |
| #ssl_renegotiation_limit = 0 # amount of data between renegotiations | |
| 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) | |
| #ssl_ca_file = '' # (change requires restart) | |
| #ssl_crl_file = '' # (change requires restart) | |
| #password_encryption = on | |
| #db_user_namespace = off | |
| # Kerberos and GSSAPI | |
| #krb_server_keyfile = '' | |
| #krb_srvname = 'postgres' # (Kerberos only) | |
| #krb_caseins_users = off | |
| # - TCP Keepalives - | |
| # see "man 7 tcp" for details | |
| #tcp_keepalives_idle = 0 # TCP_KEEPIDLE, in seconds; | |
| # 0 selects the system default | |
| #tcp_keepalives_interval = 0 # TCP_KEEPINTVL, in seconds; | |
| # 0 selects the system default | |
| #tcp_keepalives_count = 0 # TCP_KEEPCNT; | |
| # 0 selects the system default | |
| #------------------------------------------------------------------------------ | |
| # RESOURCE USAGE (except WAL) | |
| #------------------------------------------------------------------------------ | |
| # - Memory - | |
| shared_buffers = 2560MB # min 128kB | |
| # (change requires restart) | |
| #temp_buffers = 8MB # min 800kB | |
| #max_prepared_transactions = 0 # zero disables the feature | |
| # (change requires restart) | |
| # Caution: it is not advisable to set max_prepared_transactions nonzero unless | |
| # you actively intend to use prepared transactions. | |
| work_mem = 26214kB # min 64kB | |
| maintenance_work_mem = 640MB # min 1MB | |
| #max_stack_depth = 2MB # min 100kB | |
| # - Disk - | |
| #temp_file_limit = -1 # limits per-session temp file space | |
| # in kB, or -1 for no limit | |
| # - Kernel Resource Usage - | |
| #max_files_per_process = 1000 # min 25 | |
| # (change requires restart) | |
| shared_preload_libraries = 'pg_stat_statements' # (change requires restart) | |
| # - Cost-Based Vacuum Delay - | |
| #vacuum_cost_delay = 0 # 0-100 milliseconds | |
| #vacuum_cost_page_hit = 1 # 0-10000 credits | |
| #vacuum_cost_page_miss = 10 # 0-10000 credits | |
| #vacuum_cost_page_dirty = 20 # 0-10000 credits | |
| #vacuum_cost_limit = 200 # 1-10000 credits | |
| # - Background Writer - | |
| #bgwriter_delay = 200ms # 10-10000ms between rounds | |
| #bgwriter_lru_maxpages = 100 # 0-1000 max buffers written/round | |
| #bgwriter_lru_multiplier = 2.0 # 0-10.0 multipler on buffers scanned/round | |
| # - Asynchronous Behavior - | |
| effective_io_concurrency = 200 # 1-1000; 0 disables prefetching | |
| #------------------------------------------------------------------------------ | |
| # WRITE AHEAD LOG | |
| #------------------------------------------------------------------------------ | |
| # - Settings - | |
| #wal_level = minimal # minimal, archive, or hot_standby | |
| # (change requires restart) | |
| #fsync = on # turns forced synchronization on or off | |
| #synchronous_commit = on # synchronization level; | |
| # off, local, remote_write, or on | |
| #wal_sync_method = fsync # the default is the first option | |
| # supported by the operating system: | |
| # open_datasync | |
| # fdatasync (default on Linux) | |
| # fsync | |
| # fsync_writethrough | |
| # open_sync | |
| #full_page_writes = on # recover from partial page writes | |
| wal_buffers = 16MB # min 32kB, -1 sets based on shared_buffers | |
| # (change requires restart) | |
| #wal_writer_delay = 200ms # 1-10000 milliseconds | |
| #commit_delay = 0 # range 0-100000, in microseconds | |
| #commit_siblings = 5 # range 1-1000 | |
| # - Checkpoints - | |
| checkpoint_segments = 32 # in logfile segments, min 1, 16MB each | |
| #checkpoint_timeout = 5min # range 30s-1h | |
| checkpoint_completion_target = 0.7 # checkpoint target duration, 0.0 - 1.0 | |
| #checkpoint_warning = 30s # 0 disables | |
| # - Archiving - | |
| #archive_mode = off # allows archiving to be done | |
| # (change requires restart) | |
| #archive_command = '' # command to use to archive a logfile segment | |
| # 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' | |
| #archive_timeout = 0 # force a logfile segment switch after this | |
| # number of seconds; 0 disables | |
| #------------------------------------------------------------------------------ | |
| # REPLICATION | |
| #------------------------------------------------------------------------------ | |
| # - Sending Server(s) - | |
| # Set these on the master and on any standby that will send replication data. | |
| #max_wal_senders = 0 # max number of walsender processes | |
| # (change requires restart) | |
| #wal_keep_segments = 0 # in logfile segments, 16MB each; 0 disables | |
| #wal_sender_timeout = 60s # in milliseconds; 0 disables | |
| # - Master Server - | |
| # These settings are ignored on a standby server. | |
| #synchronous_standby_names = '' # standby servers that provide sync rep | |
| # comma-separated list of application_name | |
| # from standby(s); '*' = all | |
| #vacuum_defer_cleanup_age = 0 # number of xacts by which cleanup is delayed | |
| # - Standby Servers - | |
| # These settings are ignored on a master server. | |
| #hot_standby = off # "on" allows queries during recovery | |
| # (change requires restart) | |
| #max_standby_archive_delay = 30s # max delay before canceling queries | |
| # when reading WAL from archive; | |
| # -1 allows indefinite delay | |
| #max_standby_streaming_delay = 30s # max delay before canceling queries | |
| # when reading streaming WAL; | |
| # -1 allows indefinite delay | |
| #wal_receiver_status_interval = 10s # send replies at least this often | |
| # 0 disables | |
| #hot_standby_feedback = off # send info from standby to prevent | |
| # query conflicts | |
| #wal_receiver_timeout = 60s # time that receiver waits for | |
| # communication from master | |
| # in milliseconds; 0 disables | |
| #------------------------------------------------------------------------------ | |
| # QUERY TUNING | |
| #------------------------------------------------------------------------------ | |
| # - Planner Method Configuration - | |
| #enable_bitmapscan = on | |
| #enable_hashagg = on | |
| #enable_hashjoin = on | |
| #enable_indexscan = on | |
| #enable_indexonlyscan = on | |
| #enable_material = on | |
| #enable_mergejoin = on | |
| #enable_nestloop = on | |
| #enable_seqscan = on | |
| #enable_sort = on | |
| #enable_tidscan = on | |
| # - Planner Cost Constants - | |
| #seq_page_cost = 1.0 # measured on an arbitrary scale | |
| random_page_cost = 1.1 # same scale as above | |
| #cpu_tuple_cost = 0.01 # same scale as above | |
| #cpu_index_tuple_cost = 0.005 # same scale as above | |
| #cpu_operator_cost = 0.0025 # same scale as above | |
| effective_cache_size = 7680MB | |
| # - Genetic Query Optimizer - | |
| #geqo = on | |
| #geqo_threshold = 12 | |
| #geqo_effort = 5 # range 1-10 | |
| #geqo_pool_size = 0 # selects default based on effort | |
| #geqo_generations = 0 # selects default based on effort | |
| #geqo_selection_bias = 2.0 # range 1.5-2.0 | |
| #geqo_seed = 0.0 # range 0.0-1.0 | |
| # - Other Planner Options - | |
| default_statistics_target = 100 # range 1-10000 | |
| #constraint_exclusion = partition # on, off, or partition | |
| #cursor_tuple_fraction = 0.1 # range 0.0-1.0 | |
| #from_collapse_limit = 8 | |
| #join_collapse_limit = 8 # 1 disables collapsing of explicit | |
| # JOIN clauses | |
| #------------------------------------------------------------------------------ | |
| # ERROR REPORTING AND LOGGING | |
| #------------------------------------------------------------------------------ | |
| # - Where to Log - | |
| #log_destination = 'stderr' # Valid values are combinations of | |
| # stderr, csvlog, syslog, and eventlog, | |
| # depending on platform. csvlog | |
| # requires logging_collector to be on. | |
| # This is used when logging to stderr: | |
| #logging_collector = off # Enable capturing of stderr and csvlog | |
| # into log files. Required to be on for | |
| # csvlogs. | |
| # (change requires restart) | |
| # These are only used if logging_collector is on: | |
| #log_directory = 'pg_log' # directory where log files are written, | |
| # can be absolute or relative to PGDATA | |
| #log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log' # log file name pattern, | |
| # can include strftime() escapes | |
| #log_file_mode = 0600 # creation mode for log files, | |
| # begin with 0 to use octal notation | |
| #log_truncate_on_rotation = off # 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. | |
| # These are relevant when logging to syslog: | |
| #syslog_facility = 'LOCAL0' | |
| #syslog_ident = 'postgres' | |
| # This is only relevant when logging to eventlog (win32): | |
| #event_source = 'PostgreSQL' | |
| # - When to Log - | |
| #client_min_messages = notice # values in order of decreasing detail: | |
| # debug5 | |
| # debug4 | |
| # debug3 | |
| # debug2 | |
| # debug1 | |
| # log | |
| # notice | |
| # warning | |
| # error | |
| #log_min_messages = warning # values in order of decreasing detail: | |
| # debug5 | |
| # debug4 | |
| # debug3 | |
| # debug2 | |
| # debug1 | |
| # info | |
| # notice | |
| # warning | |
| # error | |
| # log | |
| # fatal | |
| # panic | |
| #log_min_error_statement = error # values in order of decreasing detail: | |
| # debug5 | |
| # debug4 | |
| # debug3 | |
| # debug2 | |
| # debug1 | |
| # info | |
| # notice | |
| # warning | |
| # error | |
| # log | |
| # fatal | |
| # panic (effectively off) | |
| #log_min_duration_statement = -1 # -1 is disabled, 0 logs all statements | |
| # and their durations, > 0 logs only | |
| # statements running at least this number | |
| # of milliseconds | |
| # - What to Log - | |
| #debug_print_parse = off | |
| #debug_print_rewritten = off | |
| #debug_print_plan = off | |
| #debug_pretty_print = on | |
| #log_checkpoints = off | |
| #log_connections = off | |
| #log_disconnections = off | |
| #log_duration = off | |
| #log_error_verbosity = default # terse, default, or verbose messages | |
| #log_hostname = off | |
| log_line_prefix = '%m [%p] %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 = off # log lock waits >= deadlock_timeout | |
| #log_statement = 'none' # none, ddl, mod, all | |
| #log_temp_files = -1 # log temporary files equal or larger | |
| # than the specified size in kilobytes; | |
| # -1 disables, 0 logs all temp files | |
| log_timezone = 'localtime' | |
| #------------------------------------------------------------------------------ | |
| # RUNTIME STATISTICS | |
| #------------------------------------------------------------------------------ | |
| # - Query/Index Statistics Collector - | |
| #track_activities = on | |
| #track_counts = on | |
| #track_io_timing = off | |
| #track_functions = none # none, pl, all | |
| #track_activity_query_size = 1024 # (change requires restart) | |
| #update_process_title = on | |
| stats_temp_directory = '/var/run/postgresql/9.3-main.pg_stat_tmp' | |
| # - Statistics Monitoring - | |
| #log_parser_stats = off | |
| #log_planner_stats = off | |
| #log_executor_stats = off | |
| #log_statement_stats = off | |
| #------------------------------------------------------------------------------ | |
| # AUTOVACUUM PARAMETERS | |
| #------------------------------------------------------------------------------ | |
| #autovacuum = on # Enable autovacuum subprocess? 'on' | |
| # requires track_counts to also be on. | |
| #log_autovacuum_min_duration = -1 # -1 disables, 0 logs all actions and | |
| # their durations, > 0 logs only | |
| # actions running at least this number | |
| # of milliseconds. | |
| #autovacuum_max_workers = 3 # max number of autovacuum subprocesses | |
| # (change requires restart) | |
| #autovacuum_naptime = 1min # time between autovacuum runs | |
| #autovacuum_vacuum_threshold = 50 # min number of row updates before | |
| # vacuum | |
| #autovacuum_analyze_threshold = 50 # min number of row updates before | |
| # analyze | |
| #autovacuum_vacuum_scale_factor = 0.2 # fraction of table size before vacuum | |
| #autovacuum_analyze_scale_factor = 0.1 # fraction of table size before analyze | |
| #autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum | |
| # (change requires restart) | |
| #autovacuum_multixact_freeze_max_age = 400000000 # maximum Multixact age | |
| # before forced vacuum | |
| # (change requires restart) | |
| #autovacuum_vacuum_cost_delay = 20ms # default vacuum cost delay for | |
| # autovacuum, in milliseconds; | |
| # -1 means use vacuum_cost_delay | |
| #autovacuum_vacuum_cost_limit = -1 # default vacuum cost limit for | |
| # autovacuum, -1 means use | |
| # vacuum_cost_limit | |
| #------------------------------------------------------------------------------ | |
| # CLIENT CONNECTION DEFAULTS | |
| #------------------------------------------------------------------------------ | |
| # - Statement Behavior - | |
| #search_path = '"$user",public' # schema names | |
| #default_tablespace = '' # a tablespace name, '' uses the default | |
| #temp_tablespaces = '' # a list of tablespace names, '' uses | |
| # only default tablespace | |
| #check_function_bodies = on | |
| #default_transaction_isolation = 'read committed' | |
| #default_transaction_read_only = off | |
| #default_transaction_deferrable = off | |
| #session_replication_role = 'origin' | |
| #statement_timeout = 0 # in milliseconds, 0 is disabled | |
| statement_timeout = 60000 | |
| #lock_timeout = 0 # in milliseconds, 0 is disabled | |
| #vacuum_freeze_min_age = 50000000 | |
| #vacuum_freeze_table_age = 150000000 | |
| #vacuum_multixact_freeze_min_age = 5000000 | |
| #vacuum_multixact_freeze_table_age = 150000000 | |
| #bytea_output = 'hex' # hex, escape | |
| #xmlbinary = 'base64' | |
| #xmloption = 'content' | |
| #gin_fuzzy_search_limit = 0 | |
| # - Locale and Formatting - | |
| datestyle = 'iso, mdy' | |
| #intervalstyle = 'postgres' | |
| timezone = 'localtime' | |
| #timezone_abbreviations = 'Default' # Select the set of available time zone | |
| # abbreviations. Currently, there are | |
| # Default | |
| # Australia (historical usage) | |
| # India | |
| # You can create your own file in | |
| # share/timezonesets/. | |
| #extra_float_digits = 0 # min -15, max 3 | |
| #client_encoding = sql_ascii # actually, defaults to database | |
| # encoding | |
| # These settings are initialized by initdb, but they can be changed. | |
| lc_messages = 'en_US.UTF-8' # locale for system error message | |
| # strings | |
| lc_monetary = 'en_US.UTF-8' # locale for monetary formatting | |
| lc_numeric = 'en_US.UTF-8' # locale for number formatting | |
| lc_time = 'en_US.UTF-8' # locale for time formatting | |
| # default configuration for text search | |
| default_text_search_config = 'pg_catalog.english' | |
| # - Other Defaults - | |
| #dynamic_library_path = '$libdir' | |
| #local_preload_libraries = '' | |
| #------------------------------------------------------------------------------ | |
| # LOCK MANAGEMENT | |
| #------------------------------------------------------------------------------ | |
| #deadlock_timeout = 1s | |
| #max_locks_per_transaction = 64 # min 10 | |
| # (change requires restart) | |
| #max_pred_locks_per_transaction = 64 # min 10 | |
| # (change requires restart) | |
| #------------------------------------------------------------------------------ | |
| # VERSION/PLATFORM COMPATIBILITY | |
| #------------------------------------------------------------------------------ | |
| # - Previous PostgreSQL Versions - | |
| #array_nulls = on | |
| #backslash_quote = safe_encoding # on, off, or safe_encoding | |
| #default_with_oids = off | |
| #escape_string_warning = on | |
| #lo_compat_privileges = off | |
| #quote_all_identifiers = off | |
| #sql_inheritance = on | |
| #standard_conforming_strings = on | |
| #synchronize_seqscans = on | |
| # - Other Platforms and Clients - | |
| #transform_null_equals = off | |
| #------------------------------------------------------------------------------ | |
| # ERROR HANDLING | |
| #------------------------------------------------------------------------------ | |
| #exit_on_error = off # terminate session on any error? | |
| #restart_after_crash = on # reinitialize after backend crash? | |
| #------------------------------------------------------------------------------ | |
| # CONFIG FILE INCLUDES | |
| #------------------------------------------------------------------------------ | |
| # These options allow settings to be loaded from files other than the | |
| # default postgresql.conf. | |
| include_dir = 'conf.d' # include files ending in '.conf' from | |
| # directory 'conf.d' | |
| #include_if_exists = 'exists.conf' # include file only if it exists | |
| #include = 'special.conf' # include file | |
| #------------------------------------------------------------------------------ | |
| # CUSTOMIZED OPTIONS | |
| #------------------------------------------------------------------------------ | |
| # Add settings for extensions here |
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