config.yaml

# Copyright 2023 Canonical Ltd.
# See LICENSE file for licensing details.

options:
  synchronous_node_count:
    description: |
      Sets the number of synchronous nodes to be maintained in the cluster. Should be
      either "all", "majority" or a positive integer value.
    type: string
    default: "all"
  synchronous_mode_strict:
    description: |
      Enforce transactions to be committed on Primary and at least one more synchronous node.
      Default is true.
    type: boolean
    default: true
  connection_authentication_timeout:
    description: |
      Sets the maximum allowed time to complete client authentication.
      Allowed values are: from 1 to 600.
    type: int
    default: 60
  connection_statement_timeout:
    description: |
      Sets the maximum allowed duration of any statement.
      Allowed values are: from 0 to 2147483647.
    type: int
    default: 0
  cpu_parallel_leader_participation:
    description: |
      Controls whether Gather and Gather Merge also run subplans.
    type: boolean
    default: true
  cpu_max_logical_replication_workers:
    description: |
      Sets the maximum number of logical replication workers. Should be either "auto"
      or a positive integer value. Restart is required when changed.
      auto = max_worker_processes.
    type: string
    default: "auto"
  cpu_max_parallel_maintenance_workers:
    description: |
      Sets the maximum number of workers that can be used for parallel maintenance operations
      like CREATE INDEX. Should be either "auto" or a positive integer value.
      Cannot exceed max_parallel_workers.
      auto = max_worker_processes.
    type: string
    default: "auto"
  cpu_max_parallel_workers:
    description: |
      Sets the maximum number of workers that can be used for parallel operations.
      Should be either "auto" or a positive integer value. Cannot exceed max_worker_processes.
      auto = max_worker_processes.
    type: string
    default: "auto"
  cpu_max_sync_workers_per_subscription:
    description: |
      Sets the maximum number of synchronization workers per subscription.
      Should be either "auto" or a positive integer value.
      auto = max_worker_processes.
    type: string
    default: "auto"
  cpu_max_worker_processes:
    description: |
      Sets the maximum number of background processes that the system can support.
      Should be either "auto" or a positive integer value.
      auto = minimum(8, 2 * vCores). Value will be capped at 10 * vCores if exceeded.
      Restart is required when changed.
    type: string
    default: "auto"
  cpu_wal_compression:
    description: |
      Enable compression of full-page writes written in WAL. Compression reduces
      the I/O needed for local storage and replication.
      Default is on (true).
    type: boolean
    default: true
  durability_maximum_lag_on_failover:
    description: |
      The amount of transactions that can be lost in bytes to consider failover is safe.
      Default is 1048576.
    type: int
    default: 1048576
  durability_synchronous_commit:
    description: |
      Sets the current transactions synchronization level. This charm allows only the
      “on”, “remote_apply” and “remote_write” values to avoid data loss if the primary
      crashes and there are replicas.
    type: string
    default: "on"
  durability_wal_keep_size:
    description: |
      Sets the minimum size of the WAL file to be kept for the replication.
      Allowed values are: from 0 to 2147483647.
    type: int
    default: 4096
  experimental_max_connections:
    type: int
    description: |
      [EXPERIMENTAL] Force set max_connections.
  instance_default_text_search_config:
    description: |
      Selects the text search configuration that is used by those variants of the text
      search functions that do not have an explicit argument specifying it.
      Allowed values start with “pg_catalog.” followed by a language name, like
      “pg_catalog.english”.
    type: string
    default: "pg_catalog.simple"
  instance_max_locks_per_transaction:
    description: |
      Specifies the maximum amount of memory to be used by maintenance operations,
      such as "VACUUM", "CREATE INDEX", and "ALTER TABLE ADD FOREIGN KEY".
      If this value is specified without units, it is taken as kilobytes.
      Allowed values are: from 64 to 2147483647.
    type: int
    default: 64
  instance_password_encryption:
    description: |
      Determines the algorithm to use to encrypt the password.
      Allowed values are: “md5” and “scram-sha-256”.
    type: string
    default: "scram-sha-256"
  instance_synchronize_seqscans:
    description: |
      Enable synchronized sequential scans.
    type: boolean
    default: true
  ldap_map:
    description: |
      List of mapped LDAP group names to PostgreSQL group names, separated by commas.
      The map is used to assign LDAP synchronized users to PostgreSQL authorization groups.
      Example: <ldap_group_1>=<psql_group_1>,<ldap_group_2>=<psql_group_2>
    type: string
  ldap_search_filter:
    description: |
      The LDAP search filter to match users with.
      Example: (|(uid=$username)(email=$username))
    type: string
    default: "(uid=$username)"
  logging_client_min_messages:
    description: |
      Sets the message levels that are sent to the client.
      Allowed values are one of 'debug5', 'debug4', 'debug3', 'debug2', 'debug1', 'log', 'notice', 'warning' or 'error'.
      Each level includes all the levels that follow it. The later the level, the fewer messages are sent.
    type: string
    default: "notice"
  logging_log_connections:
    description: |
      Logs each successful connection.
    type: boolean
    default: true
  logging_log_disconnections:
    description: |
      Logs end of a session, including duration.
    type: boolean
    default: true
  logging_log_lock_waits:
    description: |
      Logs long lock waits.
    type: boolean
    default: false
  logging_log_min_duration_statement:
    description: |
      Sets the minimum running time (milliseconds) above which statements will be logged.
      Allowed values are: from -1 to 2147483647 (-1 disables logging
      statement durations).
    type: int
    default: -1
  logging_track_functions:
    description: |
      Collects function-level statistics on database activity.
      Allowed values are one of 'none', 'pl', 'all'.
      Enables tracking of function call counts and time used. Specify pl to track only procedural-language functions
    type: string
    default: "none"
  memory_maintenance_work_mem:
    description: |
      Sets the maximum memory (KB) to be used for maintenance operations.
      Allowed values are: from 1024 to 2147483647.
    type: int
    default: 65536
  memory_max_prepared_transactions:
    description: |
      Sets the maximum number of simultaneously prepared transactions.
      Allowed values are: from 0 to 262143.
    type: int
    default: 0
  memory_shared_buffers:
    description: |
      Sets the number of shared memory buffers (8 kB) used by the server. This charm allows
      to set this value up to 40% of the available memory from the unit, as it is unlikely
      that an allocation of more than that will work better than a smaller amount.
      Allowed values are: from 16 to 1073741823.
    type: int
  memory_temp_buffers:
    description: |
      Sets the maximum number of temporary buffers (8 kB) used by each session.
      Allowed values are: from 100 to 1073741823.
    type: int
    default: 1024
  memory_work_mem:
    description: |
      Sets the maximum memory (KB) to be used for query workspaces.
      Allowed values are: from 64 to 2147483647.
    type: int
    default: 4096
  optimizer_constraint_exclusion:
    description: |
      Enables the planner to use constraints to optimize queries.
      Allowed values are: “on”, “off” and “partition”.
    type: string
    default: "partition"
  optimizer_cpu_index_tuple_cost:
    description: |
      Sets the planner's estimate of the cost of processing each index entry during an index scan.
      Allowed values are: from 0 to 1.80E+308.
    type: float
    default: 0.005
  optimizer_cpu_operator_cost:
    description: |
      Sets the planner's estimate of the cost of processing each operator or function call.
      Allowed values are: from 0 to 1.80E+308.
    type: float
    default: 0.0025
  optimizer_cpu_tuple_cost:
    description: |
      Sets the planner's estimate of the cost of processing each tuple (row).
      Allowed values are: from 0 to 1.80E+308.
    type: float
    default: 0.01
  optimizer_cursor_tuple_fraction:
    description: |
      Sets the planner's estimate of the fraction of a cursor's rows that will be retrieved.
      Allowed values are: from 0 to 1.
    type: float
    default: 0.1
  optimizer_default_statistics_target:
    description: |
      Sets the default statistics target. Allowed values are: from 1 to 10000.
    type: int
    default: 100
  optimizer_enable_async_append:
    description: |
      Enables the planner's use of async append plans.
    type: boolean
    default: true
  optimizer_enable_bitmapscan:
    description: |
      Enables the planner's use of bitmap-scan plans.
    type: boolean
    default: true
  optimizer_enable_gathermerge:
    description: |
      Enables the planner's use of gather merge plans.
    type: boolean
    default: true
  optimizer_enable_hashagg:
    description: |
      Enables the planner's use of hashed aggregation plans.
    type: boolean
    default: true
  optimizer_enable_hashjoin:
    description: |
      Enables the planner's use of hash join plans.
    type: boolean
    default: true
  optimizer_enable_incremental_sort:
    description: |
      Enables the planner's use of incremental sort steps.
    type: boolean
    default: true
  optimizer_enable_indexonlyscan:
    description: |
      Enables the planner's use of index-only-scan plans.
    type: boolean
    default: true
  optimizer_enable_indexscan:
    description: |
      Enables the planner's use of index-scan plans.
    type: boolean
    default: true
  optimizer_enable_material:
    description: |
      Enables the planner's use of materialization.
    type: boolean
    default: true
  optimizer_enable_memoize:
    description: |
      Enables the planner's use of memoization.
    type: boolean
    default: true
  optimizer_enable_mergejoin:
    description: |
      Enables the planner's use of merge join plans.
    type: boolean
    default: true
  optimizer_enable_nestloop:
    description: |
      Enables the planner's use of nested-loop join plans.
    type: boolean
    default: true
  optimizer_enable_parallel_append:
    description: |
      Enables the planner's use of parallel append plans.
    type: boolean
    default: true
  optimizer_enable_parallel_hash:
    description: |
      Enables the planner's use of parallel hash plans.
    type: boolean
    default: true
  optimizer_enable_partition_pruning:
    description: |
      Enables plan-time and execution-time partition pruning.
    type: boolean
    default: true
  optimizer_enable_partitionwise_aggregate:
    description: |
      Enables partitionwise aggregation and grouping.
    type: boolean
    default: false
  optimizer_enable_partitionwise_join:
    description: |
      Enables partitionwise join.
    type: boolean
    default: false
  optimizer_enable_seqscan:
    description: |
      Enables the planner's use of sequential-scan plans.
    type: boolean
    default: true
  optimizer_enable_sort:
    description: |
      Enables the planner's use of explicit sort steps.
    type: boolean
    default: true
  optimizer_enable_tidscan:
    description: |
      Enables the planner's use of TID scan plans.
    type: boolean
    default: true
  optimizer_from_collapse_limit:
    description: |
      Sets the FROM-list size beyond which subqueries are not collapsed.
      Allowed values are: from 1 to 2147483647.
    type: int
    default: 8
  optimizer_geqo:
    description: |
      Enables genetic query optimization.
    type: boolean
    default: true
  optimizer_geqo_effort:
    description: |
      GEQO: effort is used to set the default for other GEQO parameters.
      Allowed values are: from 1 to 10.
    type: int
    default: 5
  optimizer_geqo_generations:
    description: |
      GEQO: number of iterations of the algorithm.
      Allowed values are: from 0 to 2147483647.
    type: int
    default: 0
  optimizer_geqo_pool_size:
    description: |
      GEQO: number of individuals in the population.
      Allowed values are: from 0 to 2147483647.
    type: int
    default: 0
  optimizer_geqo_seed:
    description: |
      GEQO: seed for random path selection.
      Allowed values are: from 0 to 1.
    type: float
    default: 0.0
  optimizer_geqo_selection_bias:
    description: |
      GEQO: selective pressure within the population.
      Allowed values are: from 1.5 to 2.
    type: float
    default: 2.0
  optimizer_geqo_threshold:
    description: |
      Sets the threshold of FROM items beyond which GEQO is used.
      Allowed values are: from 2 to 2147483647.
    type: int
    default: 12
  optimizer_jit:
    description: |
      Allow JIT compilation.
    type: boolean
    default: true
  optimizer_jit_above_cost:
    description: |
      Perform JIT compilation if query is more expensive.
      Allowed values are: from -1 to 1.80E+308.
    type: float
    default: 100000.0
  optimizer_jit_inline_above_cost:
    description: |
      Perform JIT inlining if query is more expensive.
      Allowed values are: from -1 to 1.80E+308.
    type: float
    default: 500000.0
  optimizer_jit_optimize_above_cost:
    description: |
      Optimize JIT-compiled functions if query is more expensive.
      Allowed values are: from -1 to 1.80E+308.
    type: float
    default: 500000.0
  optimizer_join_collapse_limit:
    description: |
      Sets the FROM-list size beyond which JOIN constructs are not flattened.
      Allowed values are: from 1 to 2147483647.
    type: int
    default: 8
  optimizer_min_parallel_index_scan_size:
    description: |
      Sets the minimum amount of index data for a parallel scan.
      Allowed values are: from 0 to 715827882.
    type: int
    default: 64
  optimizer_min_parallel_table_scan_size:
    description: |
      Sets the minimum amount of table data for a parallel scan.
      Allowed values are: from 0 to 715827882.
    type: int
    default: 1024
  optimizer_parallel_setup_cost:
    description: |
      Sets the planner's estimate of the cost of starting up worker processes for parallel query.
      Allowed values are: from 0 to 1.80E+308.
    type: float
    default: 1000.0
  optimizer_parallel_tuple_cost:
    description: |
      Sets the planner's estimate of the cost of passing each tuple (row) from worker to leader backend.
      Allowed values are: from 0 to 1.80E+308.
    type: float
    default: 0.1
  optimizer_pg_stat_statements_track:
    description: |
      Controls which statements are counted by the pg_stat_statements.
      Allowed values are: none, top, all.
    type: string
    default: top
  optimizer_pg_stat_statements_track_utility:
    description: |
      Controls whether utility commands are tracked by pg_stat_statements.
    type: boolean
    default: True
  optimizer_pg_stat_statements_save:
    description: |
      Specifies whether to save statement statistics across server shutdowns.
    type: boolean
    default: False
  optimizer_track_io_timing:
    description: |
      Enables timing of database I/O calls.
    type: boolean
    default: False
  optimizer_track_wal_io_timing:
    description: |
      Enables timing of WAL I/O calls.
    type: boolean
    default: False
  optimizer_track_functions:
    description: |
      Enables tracking of function call counts and time used.
      Allowed values are: pl, all, none.
    type: string
    default: "none"
  plugin_address_standardizer_data_us_enable:
    default: false
    type: boolean
    description: Enable address_standardizer_data_us extension
  plugin_address_standardizer_enable:
    default: false
    type: boolean
    description: Enable address_standardizer extension
  plugin_audit_enable:
    default: true
    type: boolean
    description: Enable pgAudit extension
  plugin_bloom_enable:
    default: false
    type: boolean
    description: Enable bloom extension
  plugin_bool_plperl_enable:
    default: false
    type: boolean
    description: Enable bool_plperl extension
  plugin_btree_gin_enable:
    default: false
    type: boolean
    description: Enable btree_gin extension
  plugin_btree_gist_enable:
    default: false
    type: boolean
    description: Enable btree_gist extension
  plugin_citext_enable:
    default: false
    type: boolean
    description: Enable citext extension
  plugin_cube_enable:
    default: false
    type: boolean
    description: Enable cube extension
  plugin_debversion_enable:
    default: false
    type: boolean
    description: Enable debversion extension
  plugin_dict_int_enable:
    default: false
    type: boolean
    description: Enable dict_int extension
  plugin_dict_xsyn_enable:
    default: false
    type: boolean
    description: Enable dict_xsyn extension
  plugin_earthdistance_enable:
    default: false
    type: boolean
    description: Enable earthdistance extension
  plugin_fuzzystrmatch_enable:
    default: false
    type: boolean
    description: Enable fuzzystrmatch extension
  plugin_hll_enable:
    default: false
    type: boolean
    description: Enable hll extension
  plugin_hstore_enable:
    default: false
    type: boolean
    description: Enable hstore extension
  plugin_hypopg_enable:
    default: false
    type: boolean
    description: Enable hypopg extension
  plugin_icu_ext_enable:
    default: false
    type: boolean
    description: Enable icu_ext extension
  plugin_intarray_enable:
    default: false
    type: boolean
    description: Enable intarray extension
  plugin_ip4r_enable:
    default: false
    type: boolean
    description: Enable ip4r extension
  plugin_isn_enable:
    default: false
    type: boolean
    description: Enable isn extension
  plugin_jsonb_plperl_enable:
    default: false
    type: boolean
    description: Enable jsonb_plperl extension
  plugin_lo_enable:
    default: false
    type: boolean
    description: Enable lo extension
  plugin_ltree_enable:
    default: false
    type: boolean
    description: Enable ltree extension
  plugin_old_snapshot_enable:
    default: false
    type: boolean
    description: Enable old_snapshot extension
  plugin_orafce_enable:
    default: false
    type: boolean
    description: Enable orafce extension
  plugin_pg_freespacemap_enable:
    default: false
    type: boolean
    description: Enable pg_freespacemap extension
  plugin_pg_similarity_enable:
    default: false
    type: boolean
    description: Enable pg_similarity extension
  plugin_pg_trgm_enable:
    default: false
    type: boolean
    description: Enable pg_trgm extension
  plugin_pg_visibility_enable:
    default: false
    type: boolean
    description: Enable pg_visibility extension
  plugin_pgrowlocks_enable:
    default: false
    type: boolean
    description: Enable pgrowlocks extension
  plugin_pgstattuple_enable:
    default: false
    type: boolean
    description: Enable pgstattuple extension
  plugin_pg_stat_statements_enable:
    type: boolean
    description: Enable pg_stat_statements extension
    default: False
  plugin_plperl_enable:
    default: false
    type: boolean
    description: Enable plperl extension
  plugin_plpython3u_enable:
    default: false
    type: boolean
    description: Enable PL/Python extension
  plugin_pltcl_enable:
    default: false
    type: boolean
    description: Enable pltcl extension
  plugin_postgis_enable:
    default: false
    type: boolean
    description: Enable postgis extension
  plugin_postgis_raster_enable:
    default: false
    type: boolean
    description: Enable postgis_raster extension
  plugin_postgis_tiger_geocoder_enable:
    default: false
    type: boolean
    description: Enable postgis_tiger_geocoder extension
  plugin_postgis_topology_enable:
    default: false
    type: boolean
    description: Enable postgis_topology extension
  plugin_prefix_enable:
    default: false
    type: boolean
    description: Enable prefix extension
  plugin_rdkit_enable:
    default: false
    type: boolean
    description: Enable rdkit extension
  plugin_seg_enable:
    default: false
    type: boolean
    description: Enable seg extension
  plugin_spi_enable:
    default: false
    type: boolean
    description: Enable spi extension
  plugin_tablefunc_enable:
    default: false
    type: boolean
    description: Enable tablefunc extension
  plugin_tcn_enable:
    default: false
    type: boolean
    description: Enable tcn extension
  plugin_tds_fdw_enable:
    default: false
    type: boolean
    description: Enable tds_fdw extension
  plugin_timescaledb_enable:
    default: false
    type: boolean
    description: Enable timescaledb extension
  plugin_tsm_system_rows_enable:
    default: false
    type: boolean
    description: Enable tsm_system_rows extension
  plugin_tsm_system_time_enable:
    default: false
    type: boolean
    description: Enable tsm_system_time extension
  plugin_unaccent_enable:
    default: false
    type: boolean
    description: Enable unaccent extension
  plugin_uuid_ossp_enable:
    default: false
    type: boolean
    description: Enable uuid_ossp extension
  plugin_vector_enable:
    default: false
    type: boolean
    description: Enable pgvector extension
  profile:
    description: |
      Profile representing the scope of deployment, and used to tune resource allocation.
      Allowed values are: “production” and “testing”.
      Production will tune postgresql for maximum performance while testing will tune for
      minimal running performance.
    type: string
    default: "production"
  profile_limit_memory:
    type: int
    description: |
      Amount of memory in Megabytes to limit PostgreSQL and associated process to.
      If unset, this will be decided according to the default memory limit in the selected profile.
      Only comes into effect when the `production` profile is selected.
  request_array_nulls:
    description: |
      Enable input of NULL elements in arrays.
    type: boolean
    default: true
  request_backslash_quote:
    description: |
      Sets whether "\'" is allowed in string literals.
      Allowed values are "safe_encoding" and "on" and "off".
      Safe_encoding is allow only if client encoding does not allow ASCII \ within a multibyte character.
    type: string
    default: "safe_encoding"
  request_date_style:
    description: |
      Sets the display format for date and time values. Allowed formats are explained
      in https://www.postgresql.org/docs/14/runtime-config-client.html#GUC-DATESTYLE.
    type: string
    default: "ISO, MDY"
  request_deadlock_timeout:
    description: |
      Sets the time to wait on a lock before checking for deadlock.
      Allowed values are: from 1 to 2147483647.
    type: int
    default: 1000
  request_default_transaction_deferrable:
    description: |
      Sets the default deferrable status of new transactions.
    type: boolean
    default: false
  request_default_transaction_isolation:
    description: |
      Sets the transaction isolation level of each new transaction.
      Allowed values are one of 'serializable', 'repeatable read', 'read committed', 'read uncommitted'.
      Read commited or read uncommited is a statement can only see rows committed before it began.
      Repeatable read is all statements of the current transaction can only see rows committed before 
      the first query or data-modification statement was executed in this transaction.
      Serializable is all statements of the current transaction can only see rows committed before the first 
      query or data-modification statement was executed in this transaction.
    type: string
    default: "read committed"
  request_default_transaction_read_only:
    description: |
      Sets the default read-only status of new transactions.
    type: boolean
    default: false
  request_escape_string_warning:
    description: |
      Warn about backslash escapes in ordinary string literals.
    type: boolean
    default: true
  request_lock_timeout:
    description: |
      Sets the maximum allowed duration of any wait for a lock.
      Allowed values are: from 0 to 2147483647.
    type: int
    default: 0
  request_standard_conforming_strings:
    description: |
      Causes ... strings to treat backslashes literally.
    type: boolean
    default: true
  request_time_zone:
    description: |
      Sets the time zone for displaying and interpreting time stamps.
      Allowed values are the ones from IANA time zone data, a time zone abbreviation
      like PST and POSIX-style time zone specifications.
    type: string
    default: "UTC"
  request_track_activity_query_size:
    description: |
      Sets the size reserved for pg_stat_activity.query, in bytes.
      Allowed values are: from 100 to 1048576.
    type: int
    default: 1024
  request_transform_null_equals:
    description: |
      Treats "expr=NULL" as "expr IS NULL"
    type: boolean
    default: false
  request_xmlbinary:
    description: |
      Sets how binary values are to be encoded in XML.
      Allowed values are one of 'base64', 'hex'.
    type: string
    default: "base64"
  request_xmloption:
    description: |
      Sets whether XML data in implicit parsing and serialization operations is to be considered as documents or content fragments.
      Allowed values are one of 'content', 'document'.
    type: string
    default: "content"
  response_bytea_output:
    description: |
      Sets the output format for bytes.
      Allowed values are: “escape” and “hex”.
    type: string
    default: "hex"
  response_exit_on_error:
    description: |
      Terminate session on any error.
    type: boolean
    default: false
  response_extra_float_digits:
    description: |
      Sets the number of digits displayed for floating-point values.
      Allowed values are: from -15 to 3.
    type: int
    default: 1
  response_gin_fuzzy_search_limit:
    description: |
      Sets the maximum allowed result for exact search by GIN.
      Allowed values are: from 0 to 2147483647.
    type: int
    default: 0
  response_lc_monetary:
    description: |
      Sets the locale for formatting monetary amounts.
      Allowed values are the locales available in the unit.
    type: string
    default: "C"
  response_lc_numeric:
    description: |
      Sets the locale for formatting numbers.
      Allowed values are the locales available in the unit.
    type: string
    default: "C"
  response_lc_time:
    description: |
      Sets the locale for formatting date and time values.
      Allowed values are the locales available in the unit.
    type: string
    default: "C"
  session_idle_in_transaction_session_timeout:
    description: |
      Sets the maximum allowed idle time between queries, when in a transaction.
      Allowed values are: from 0 to 2147483647.
    type: int
    default: 0
  storage_bgwriter_lru_maxpages:
    description: |
      Background writer maximum number of LRU pages to flush per round.
      Allowed values are: from 0 to 1073741823.
    type: int
    default: 100
  storage_bgwriter_lru_multiplier:
    description: |
      Multiple of the average buffer usage to free per round.
      Allowed values are: from 0 to 10.
    type: float
    default: 2.0
  storage_default_table_access_method:
    description: |
      Sets the default table access method for new tables.
      These entries can be created using the CREATE ACCESS METHOD SQL command.
    type: string
    default: "heap"
  storage_gin_pending_list_limit:
    description: |
      Sets the maximum size of the pending list for GIN index.
      Allowed values are: from 64 to 2147483647.
    type: int
    default: 4096
  storage_hot_standby_feedback:
    description: |
      Send feedback to the primary or upstream standby about queries currently executing on
      the standby.
      Warning: enabling can cause database bloat on the Primary for some workloads.
      Default is false.
    type: boolean
    default: false
  storage_old_snapshot_threshold:
    description: |
      Time before a snapshot is too old to read pages changed after the snapshot was taken.
      Allowed values are: from -1 to 86400.
    type: int
    default: -1
  vacuum_autovacuum_analyze_scale_factor:
    description: |
      Specifies a fraction of the table size to add to autovacuum_vacuum_threshold when
      deciding whether to trigger a VACUUM. The default, 0.1, means 10% of table size.
      Allowed values are: from 0 to 100.
    type: float
    default: 0.1
  vacuum_autovacuum_analyze_threshold:
    description: |
      Sets the minimum number of inserted, updated or deleted tuples needed to trigger
      an ANALYZE in any one table. Allowed values are: from 0 to 2147483647.
    type: int
    default: 50
  vacuum_autovacuum_freeze_max_age:
    description: |
      Maximum age (in transactions) before triggering autovacuum on a table to prevent
      transaction ID wraparound. Allowed values are: from 100000 to 2000000000.
    type: int
    default: 200000000
  vacuum_autovacuum_naptime:
    description: |
      Time to sleep between autovacuum runs.
      Allowed values are: from 1 to 2147483.
    type: int
    default: 60
  vacuum_autovacuum_vacuum_cost_delay:
    description: |
      Sets cost delay value (milliseconds) that will be used in automatic VACUUM operations.
      Allowed values are: from -1 to 100 (-1 tells PostgreSQL to use the regular
      vacuum_cost_delay value).
    type: float
    default: 2.0
  vacuum_autovacuum_vacuum_cost_limit:
    description: |
      Vacuum cost amount available before napping, for autovacuum.
      Allowed values are: from -1 to 10000.
    type: int
    default: -1
  vacuum_autovacuum_vacuum_insert_scale_factor:
    description: |
      Number of tuple inserts prior to vacuum as a fraction of reltuples.
      Allowed values are: from 0 to 100.
    type: float
    default: 0.2
  vacuum_autovacuum_vacuum_insert_threshold:
    description: |
      Minimum number of tuple inserts prior to vacuum, or -1 to disable insert vacuums.
      Allowed values are: from -1 to 2147483647.
    type: int
    default: 1000
  vacuum_autovacuum_vacuum_scale_factor:
    description: |
      Specifies a fraction of the table size to add to autovacuum_vacuum_threshold when
      deciding whether to trigger a VACUUM. The default, 0.2, means 20% of table size.
      Allowed values are: from 0 to 100.
    type: float
    default: 0.2
  vacuum_autovacuum_vacuum_threshold:
    description: |
      Minimum number of tuple updates or deletes prior to vacuum.
      Allowed values are: from 0 to 2147483647.
    type: int
    default: 50
  vacuum_vacuum_cost_delay:
    description: |
      Vacuum cost delay in milliseconds.
      Allowed values are: from 0 to 100.
    type: float
    default: 0.0
  vacuum_vacuum_cost_limit:
    description: |
      Vacuum cost amount available before napping.
      Allowed values are: from 1 to 10000.
    type: int
    default: 200
  vacuum_vacuum_cost_page_dirty:
    description: |
      Vacuum cost for a page dirtied by vacuum.
      Allowed values are: from 0 to 10000.
    type: int
    default: 20
  vacuum_vacuum_cost_page_hit:
    description: |
      Vacuum cost for a page found in the buffer cache.
      Allowed values are: from 0 to 10000.
    type: int
    default: 1
  vacuum_vacuum_cost_page_miss:
    description: |
      Vacuum cost for a page not found in the buffer cache.
      Allowed values are: from 0 to 10000.
    type: int
    default: 2
  vacuum_vacuum_failsafe_age:
    description: |
      Age at which VACUUM should trigger failsafe to avoid a wraparound outage.
      Allowed values are: from 0 to 2100000000.
    type: int
    default: 1600000000
  vacuum_vacuum_freeze_min_age:
    description: |
      Minimum age at which VACUUM should freeze a table row.
      Allowed values are: from 0 to 1000000000.
    type: int
    default: 50000000
  vacuum_vacuum_freeze_table_age:
    description: |
      Age (in transactions) at which VACUUM should scan whole table to freeze tuples.
      Allowed values are: from 0 to 2000000000.
    type: int
    default: 150000000
  vacuum_vacuum_multixact_failsafe_age:
    description: |
      Multixact age at which VACUUM should trigger failsafe to avoid a wraparound outage.
      Allowed values are: from 0 to 2100000000.
    type: int
    default: 1600000000
  vacuum_vacuum_multixact_freeze_min_age:
    description: |
      Minimum age at which VACUUM should freeze a MultiXactId in a table row.
      Allowed values are: from 0 to 1000000000.
    type: int
    default: 5000000
  vacuum_vacuum_multixact_freeze_table_age:
    description: |
      Multixact age at which VACUUM should scan whole table to freeze tuples.
      Allowed values are: from 0 to 2000000000.
    type: int
    default: 150000000