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537 lines
18 KiB
Django/Jinja
Executable file
537 lines
18 KiB
Django/Jinja
Executable file
# -----------------------------
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# PostgreSQL configuration file
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# -----------------------------
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#
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# This file consists of lines of the form:
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#
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# name = value
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#
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# (The "=" is optional.) Whitespace may be used. Comments are introduced with
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# "#" anywhere on a line. The complete list of parameter names and allowed
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# values can be found in the PostgreSQL documentation.
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#
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# The commented-out settings shown in this file represent the default values.
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# Re-commenting a setting is NOT sufficient to revert it to the default value;
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# you need to reload the server.
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#
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# This file is read on server startup and when the server receives a SIGHUP
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# signal. If you edit the file on a running system, you have to SIGHUP the
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# server for the changes to take effect, or use "pg_ctl reload". Some
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# parameters, which are marked below, require a server shutdown and restart to
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# take effect.
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#
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# Any parameter can also be given as a command-line option to the server, e.g.,
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# "postgres -c log_connections=on". Some parameters can be changed at run time
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# with the "SET" SQL command.
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#
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# Memory units: kB = kilobytes Time units: ms = milliseconds
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# MB = megabytes s = seconds
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# GB = gigabytes min = minutes
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# h = hours
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# d = days
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{% if ansible_memtotal_mb < 1000 %}
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### 512MB RAM, 96MB for Pg
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#### - 24MB shmem
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#### - 30 max_connections (to match: 25 apache processes)
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#### - 60MB max for workmem: 2MB * max_connections
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{% elif ansible_memtotal_mb > 1000 and ansible_memtotal_mb < 2000 %}
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### 1GB RAM, 128MB for Pg
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### - 32MB shmem
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### - 45 max_connections (to match: 40 apache processes)
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### - 90MB max for workmem: 2MB * max_connections
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{% elif ansible_memtotal_mb > 2000 %}
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### 2GB RAM, 256MB for Pg
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#### - 64MB shmem
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#### - 60 max_connections (to match: 55 apache processes)
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#### - 180MB max for workmem: 3MB * max_connections
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{% endif %}
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#------------------------------------------------------------------------------
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# FILE LOCATIONS
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#------------------------------------------------------------------------------
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# The default values of these variables are driven from the -D command-line
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# option or PGDATA environment variable, represented here as ConfigDir.
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#data_directory = 'ConfigDir' # use data in another directory
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# (change requires restart)
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#hba_file = 'ConfigDir/pg_hba.conf' # host-based authentication file
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# (change requires restart)
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#ident_file = 'ConfigDir/pg_ident.conf' # ident configuration file
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# (change requires restart)
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# If external_pid_file is not explicitly set, no extra PID file is written.
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#external_pid_file = '(none)' # write an extra PID file
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# (change requires restart)
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external_pid_file = '/run/postgresql/postmaster.pid'
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#------------------------------------------------------------------------------
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# CONNECTIONS AND AUTHENTICATION
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#------------------------------------------------------------------------------
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# - Connection Settings -
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#listen_addresses = 'localhost' # what IP address(es) to listen on;
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# comma-separated list of addresses;
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# defaults to 'localhost', '*' = all
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# (change requires restart)
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#port = 5432 # (change requires restart)
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{% if ansible_memtotal_mb < 1000 %}
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max_connections = 30 # (change requires restart)
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{% elif ansible_memtotal_mb > 1000 and ansible_memtotal_mb < 2000 %}
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max_connections = 45 # (change requires restart)
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{% elif ansible_memtotal_mb > 2000 %}
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max_connections = 60 # (change requires restart)
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{% endif %}
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# Note: Increasing max_connections costs ~400 bytes of shared memory per
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# connection slot, plus lock space (see max_locks_per_transaction).
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#superuser_reserved_connections = 3 # (change requires restart)
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#unix_socket_directory = '' # (change requires restart)
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#unix_socket_group = '' # (change requires restart)
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#unix_socket_permissions = 0777 # begin with 0 to use octal notation
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# (change requires restart)
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#bonjour_name = '' # defaults to the computer name
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# (change requires restart)
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# - Security and Authentication -
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#authentication_timeout = 1min # 1s-600s
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#ssl = off # (change requires restart)
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#ssl_ciphers = 'ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH' # allowed SSL ciphers
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# (change requires restart)
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#ssl_renegotiation_limit = 512MB # amount of data between renegotiations
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#password_encryption = on
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#db_user_namespace = off
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# Kerberos and GSSAPI
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#krb_server_keyfile = ''
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#krb_srvname = 'postgres' # (Kerberos only)
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#krb_caseins_users = off
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# - TCP Keepalives -
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# see "man 7 tcp" for details
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#tcp_keepalives_idle = 0 # TCP_KEEPIDLE, in seconds;
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# 0 selects the system default
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#tcp_keepalives_interval = 0 # TCP_KEEPINTVL, in seconds;
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# 0 selects the system default
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#tcp_keepalives_count = 0 # TCP_KEEPCNT;
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# 0 selects the system default
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#------------------------------------------------------------------------------
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# RESOURCE USAGE (except WAL)
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#------------------------------------------------------------------------------
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# - Memory -
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{% if ansible_memtotal_mb < 1000 %}
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shared_buffers = 24MB # min 128kB
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{% elif ansible_memtotal_mb > 1000 and ansible_memtotal_mb < 2000 %}
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shared_buffers = 32MB # min 128kB
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{% elif ansible_memtotal_mb > 2000 %}
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shared_buffers = 64MB # min 128kB
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{% endif %}
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# (change requires restart)
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temp_buffers = 8MB # min 800kB
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max_prepared_transactions = 0 # zero disables the feature
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# (change requires restart)
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# Note: Increasing max_prepared_transactions costs ~600 bytes of shared memory
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# per transaction slot, plus lock space (see max_locks_per_transaction).
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# It is not advisable to set max_prepared_transactions nonzero unless you
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# actively intend to use prepared transactions.
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work_mem = 2MB # min 64kB
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maintenance_work_mem = 16MB # min 1MB
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max_stack_depth = 2MB # min 100kB
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# - Kernel Resource Usage -
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#max_files_per_process = 1000 # min 25
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# (change requires restart)
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#shared_preload_libraries = '' # (change requires restart)
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# - Cost-Based Vacuum Delay -
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#vacuum_cost_delay = 0ms # 0-100 milliseconds
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#vacuum_cost_page_hit = 1 # 0-10000 credits
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#vacuum_cost_page_miss = 10 # 0-10000 credits
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#vacuum_cost_page_dirty = 20 # 0-10000 credits
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#vacuum_cost_limit = 200 # 1-10000 credits
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# - Background Writer -
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#bgwriter_delay = 200ms # 10-10000ms between rounds
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#bgwriter_lru_maxpages = 100 # 0-1000 max buffers written/round
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#bgwriter_lru_multiplier = 2.0 # 0-10.0 multipler on buffers scanned/round
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# - Asynchronous Behavior -
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#effective_io_concurrency = 1 # 1-1000. 0 disables prefetching
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#------------------------------------------------------------------------------
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# WRITE AHEAD LOG
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#------------------------------------------------------------------------------
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# - Settings -
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#fsync = on # turns forced synchronization on or off
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#synchronous_commit = on # immediate fsync at commit
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#wal_sync_method = fsync # the default is the first option
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# supported by the operating system:
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# open_datasync
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# fdatasync (default on Linux)
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# fsync
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# fsync_writethrough
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# open_sync
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#full_page_writes = on # recover from partial page writes
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wal_buffers = 1MB # min 32kB
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# (change requires restart)
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wal_writer_delay = 1000ms # 1-10000 milliseconds
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#commit_delay = 0 # range 0-100000, in microseconds
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#commit_siblings = 5 # range 1-1000
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# - Checkpoints -
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#checkpoint_segments = 3 # in logfile segments, min 1, 16MB each
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#checkpoint_timeout = 5min # range 30s-1h
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#checkpoint_completion_target = 0.5 # checkpoint target duration, 0.0 - 1.0
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#checkpoint_warning = 30s # 0 disables
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# - Archiving -
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#archive_mode = off # allows archiving to be done
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# (change requires restart)
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#archive_command = '' # command to use to archive a logfile segment
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#archive_timeout = 0 # force a logfile segment switch after this
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# number of seconds; 0 disables
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#------------------------------------------------------------------------------
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# QUERY TUNING
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#------------------------------------------------------------------------------
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# - Planner Method Configuration -
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#enable_bitmapscan = on
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#enable_hashagg = on
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#enable_hashjoin = on
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#enable_indexscan = on
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#enable_mergejoin = on
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#enable_nestloop = on
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#enable_seqscan = on
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#enable_sort = on
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#enable_tidscan = on
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# - Planner Cost Constants -
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#seq_page_cost = 1.0 # measured on an arbitrary scale
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#random_page_cost = 4.0 # same scale as above
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#cpu_tuple_cost = 0.01 # same scale as above
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#cpu_index_tuple_cost = 0.005 # same scale as above
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#cpu_operator_cost = 0.0025 # same scale as above
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{% if ansible_memtotal_mb < 1000 %}
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effective_cache_size = 256MB
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{% elif ansible_memtotal_mb > 1000 and ansible_memtotal_mb < 2000 %}
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effective_cache_size = 512MB
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{% elif ansible_memtotal_mb > 2000 %}
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effective_cache_size = 1024MB
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{% endif %}
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# - Genetic Query Optimizer -
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#geqo = on
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#geqo_threshold = 12
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#geqo_effort = 5 # range 1-10
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#geqo_pool_size = 0 # selects default based on effort
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#geqo_generations = 0 # selects default based on effort
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#geqo_selection_bias = 2.0 # range 1.5-2.0
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# - Other Planner Options -
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#default_statistics_target = 100 # range 1-10000
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#constraint_exclusion = partition # on, off, or partition
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#cursor_tuple_fraction = 0.1 # range 0.0-1.0
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#from_collapse_limit = 8
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#join_collapse_limit = 8 # 1 disables collapsing of explicit
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# JOIN clauses
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#------------------------------------------------------------------------------
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# ERROR REPORTING AND LOGGING
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#------------------------------------------------------------------------------
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# - Where to Log -
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#log_destination = 'stderr' # Valid values are combinations of
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# stderr, csvlog, syslog and eventlog,
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# depending on platform. csvlog
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# requires logging_collector to be on.
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# This is used when logging to stderr:
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logging_collector = on # Enable capturing of stderr and csvlog
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# into log files. Required to be on for
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# csvlogs.
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# (change requires restart)
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# These are only used if logging_collector is on:
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log_directory = 'pg_log' # directory where log files are written,
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# can be absolute or relative to PGDATA
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log_filename = 'postgresql-%a.log' # log file name pattern,
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# can include strftime() escapes
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log_truncate_on_rotation = on # If on, an existing log file of the
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# same name as the new log file will be
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# truncated rather than appended to.
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# But such truncation only occurs on
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# time-driven rotation, not on restarts
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# or size-driven rotation. Default is
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# off, meaning append to existing files
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# in all cases.
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log_rotation_age = 1d # Automatic rotation of logfiles will
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# happen after that time. 0 disables.
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log_rotation_size = 0 # Automatic rotation of logfiles will
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# happen after that much log output.
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# 0 disables.
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# These are relevant when logging to syslog:
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#syslog_facility = 'LOCAL0'
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#syslog_ident = 'postgres'
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#silent_mode = off # Run server silently.
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# DO NOT USE without syslog or
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# logging_collector
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# (change requires restart)
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# - When to Log -
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#client_min_messages = notice # values in order of decreasing detail:
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# debug5
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# debug4
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# debug3
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# debug2
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# debug1
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# log
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# notice
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# warning
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# error
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#log_min_messages = warning # values in order of decreasing detail:
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# debug5
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# debug4
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# debug3
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# debug2
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# debug1
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# info
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# notice
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# warning
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# error
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# log
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# fatal
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# panic
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#log_error_verbosity = default # terse, default, or verbose messages
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#log_min_error_statement = error # values in order of decreasing detail:
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# debug5
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# debug4
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# debug3
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# debug2
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# debug1
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# info
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# notice
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# warning
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# error
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# log
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# fatal
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# panic (effectively off)
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#log_min_duration_statement = -1 # -1 is disabled, 0 logs all statements
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# and their durations, > 0 logs only
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# statements running at least this number
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# of milliseconds
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# - What to Log -
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#debug_print_parse = off
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#debug_print_rewritten = off
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#debug_print_plan = off
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#debug_pretty_print = on
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#log_checkpoints = off
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#log_connections = off
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#log_disconnections = off
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#log_duration = off
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#log_hostname = off
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#log_line_prefix = '' # special values:
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# %u = user name
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# %d = database name
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# %r = remote host and port
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# %h = remote host
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# %p = process ID
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# %t = timestamp without milliseconds
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# %m = timestamp with milliseconds
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# %i = command tag
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# %c = session ID
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# %l = session line number
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# %s = session start timestamp
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# %v = virtual transaction ID
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# %x = transaction ID (0 if none)
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# %q = stop here in non-session
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# processes
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# %% = '%'
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# e.g. '<%u%%%d> '
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#log_lock_waits = off # log lock waits >= deadlock_timeout
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#log_statement = 'none' # none, ddl, mod, all
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#log_temp_files = -1 # log temporary files equal or larger
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# than the specified size in kilobytes;
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# -1 disables, 0 logs all temp files
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#log_timezone = unknown # actually, defaults to TZ environment
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# setting
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#------------------------------------------------------------------------------
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# RUNTIME STATISTICS
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#------------------------------------------------------------------------------
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# - Query/Index Statistics Collector -
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#track_activities = on
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#track_counts = on
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#track_functions = none # none, pl, all
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#track_activity_query_size = 1024
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#update_process_title = on
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#stats_temp_directory = 'pg_stat_tmp'
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# - Statistics Monitoring -
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#log_parser_stats = off
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#log_planner_stats = off
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#log_executor_stats = off
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#log_statement_stats = off
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#------------------------------------------------------------------------------
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# AUTOVACUUM PARAMETERS
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#------------------------------------------------------------------------------
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#autovacuum = on # Enable autovacuum subprocess? 'on'
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# requires track_counts to also be on.
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#log_autovacuum_min_duration = -1 # -1 disables, 0 logs all actions and
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# their durations, > 0 logs only
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# actions running at least this number
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# of milliseconds.
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#autovacuum_max_workers = 3 # max number of autovacuum subprocesses
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#autovacuum_naptime = 1min # time between autovacuum runs
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#autovacuum_vacuum_threshold = 50 # min number of row updates before
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# vacuum
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#autovacuum_analyze_threshold = 50 # min number of row updates before
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# analyze
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#autovacuum_vacuum_scale_factor = 0.2 # fraction of table size before vacuum
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#autovacuum_analyze_scale_factor = 0.1 # fraction of table size before analyze
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#autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum
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# (change requires restart)
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#autovacuum_vacuum_cost_delay = 20ms # default vacuum cost delay for
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# autovacuum, in milliseconds;
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# -1 means use vacuum_cost_delay
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#autovacuum_vacuum_cost_limit = -1 # default vacuum cost limit for
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# autovacuum, -1 means use
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# vacuum_cost_limit
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#------------------------------------------------------------------------------
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# CLIENT CONNECTION DEFAULTS
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#------------------------------------------------------------------------------
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# - Statement Behavior -
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#search_path = '"$user",public' # schema names
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#default_tablespace = '' # a tablespace name, '' uses the default
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#temp_tablespaces = '' # a list of tablespace names, '' uses
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# only default tablespace
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#check_function_bodies = on
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#default_transaction_isolation = 'read committed'
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#default_transaction_read_only = off
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#session_replication_role = 'origin'
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#statement_timeout = 0 # in milliseconds, 0 is disabled
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#vacuum_freeze_min_age = 50000000
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#vacuum_freeze_table_age = 150000000
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#xmlbinary = 'base64'
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#xmloption = 'content'
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# - Locale and Formatting -
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datestyle = 'iso, mdy'
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#intervalstyle = 'postgres'
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#timezone = unknown # actually, defaults to TZ environment
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# setting
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#timezone_abbreviations = 'Default' # Select the set of available time zone
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# abbreviations. Currently, there are
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# Default
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# Australia
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# India
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# You can create your own file in
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# share/timezonesets/.
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#extra_float_digits = 0 # min -15, max 2
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#client_encoding = sql_ascii # actually, defaults to database
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# encoding
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# These settings are initialized by initdb, but they can be changed.
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lc_messages = 'en_US.UTF-8' # locale for system error message
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# strings
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lc_monetary = 'en_US.UTF-8' # locale for monetary formatting
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lc_numeric = 'en_US.UTF-8' # locale for number formatting
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lc_time = 'en_US.UTF-8' # locale for time formatting
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# default configuration for text search
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default_text_search_config = 'pg_catalog.english'
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# - Other Defaults -
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#dynamic_library_path = '$libdir'
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#local_preload_libraries = ''
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#------------------------------------------------------------------------------
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# LOCK MANAGEMENT
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#------------------------------------------------------------------------------
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#deadlock_timeout = 1s
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#max_locks_per_transaction = 64 # min 10
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# (change requires restart)
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# Note: Each lock table slot uses ~270 bytes of shared memory, and there are
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# max_locks_per_transaction * (max_connections + max_prepared_transactions)
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# lock table slots.
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#------------------------------------------------------------------------------
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# VERSION/PLATFORM COMPATIBILITY
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#------------------------------------------------------------------------------
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# - Previous PostgreSQL Versions -
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#add_missing_from = off
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#array_nulls = on
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#backslash_quote = safe_encoding # on, off, or safe_encoding
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backslash_quote = on
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#default_with_oids = off
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#escape_string_warning = on
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#regex_flavor = advanced # advanced, extended, or basic
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#sql_inheritance = on
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standard_conforming_strings = off
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#synchronize_seqscans = on
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# - Other Platforms and Clients -
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#transform_null_equals = off
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#------------------------------------------------------------------------------
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# CUSTOMIZED OPTIONS
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#------------------------------------------------------------------------------
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#custom_variable_classes = '' # list of custom variable class names
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