Statistics
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compute_query_id
compute_query_id — Enables in-core computation of query identifiers. Observed in PG14–19 Beta 3; its last measured boot default is auto in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
log_executor_stats
log_executor_stats — Writes executor performance statistics to the server log. Observed in PG9.0–19 Beta 3; its last measured boot default is off in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
log_parser_stats
log_parser_stats — Writes parser performance statistics to the server log. Observed in PG9.0–19 Beta 3; its last measured boot default is off in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
log_planner_stats
log_planner_stats — Writes planner performance statistics to the server log. Observed in PG9.0–19 Beta 3; its last measured boot default is off in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
log_statement_stats
log_statement_stats — Writes cumulative performance statistics to the server log. Observed in PG9.0–19 Beta 3; its last measured boot default is off in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
stats_fetch_consistency
stats_fetch_consistency — Sets the consistency of accesses to statistics data. Observed in PG15–19 Beta 3; its last measured boot default is cache in PG19 Beta 3, with user context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
stats_temp_directory
stats_temp_directory — Writes temporary statistics files to the specified directory. Observed in PG9.0–14; its last measured boot default is pg_stat_tmp in PG14, with sighup context. It was removed in PG15.
track_activities
track_activities — Collects information about executing commands. Observed in PG9.0–19 Beta 3; its last measured boot default is on in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
track_activity_query_size
track_activity_query_size — Sets the size reserved for pg_stat_activity.query, in bytes. Observed in PG9.0–19 Beta 3; its last measured boot default is 1 KiB in PG19 Beta 3, with postmaster context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
track_cost_delay_timing
track_cost_delay_timing — Collects timing statistics for cost-based vacuum delay. Observed in PG18–19 Beta 3; its last measured boot default is off in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
track_counts
track_counts — Collects statistics on database activity. Observed in PG9.0–19 Beta 3; its last measured boot default is on in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
track_functions
track_functions — Collects function-level statistics on database activity. Observed in PG9.0–19 Beta 3; its last measured boot default is none in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
track_io_timing
track_io_timing — Collects timing statistics for database I/O activity. Observed in PG9.2–19 Beta 3; its last measured boot default is off in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.
track_wal_io_timing
track_wal_io_timing — Collects timing statistics for WAL I/O activity. Observed in PG14–19 Beta 3; its last measured boot default is off in PG19 Beta 3, with superuser context. This is a beta-snapshot fact and can change before PostgreSQL 19 GA.