doc: Correct description of restart_lsn in pg_replication_slots
Previously the document explained that restart_lsn indicates the LSN of
oldest WAL won't be automatically removed during checkpoints. But
since v13 this was no longer true thanks to max_slot_wal_keep_size.
Back-patch to v13 where max
doc: Correct description of restart_lsn in pg_replication_slots
Previously the document explained that restart_lsn indicates the LSN of
oldest WAL won't be automatically removed during checkpoints. But
since v13 this was no longer true thanks to max_slot_wal_keep_size.
Back-patch to v13 where max
Change default of pg_stat_statements.track_planning to off.
Since v13 pg_stat_statements is allowed to track the planning time of
statements when track_planning option is enabled. Its default was on.
But this feature could cause more terrible spinlock contentions in
pg_stat_statements. As a resul
Change default of pg_stat_statements.track_planning to off.
Since v13 pg_stat_statements is allowed to track the planning time of
statements when track_planning option is enabled. Its default was on.
But this feature could cause more terrible spinlock contentions in
pg_stat_statements. As a resul
Initialize work_mem using current guc.c default.
Do the same for the maintenance_work_mem global variable.
Oversight in commit 848ae330a49, which increased the previous defaults
for work_mem and maintenance_work_mem by 4X.
Branch
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master
Details
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https://git.postgresql.org/pg/commi
nbtree: Rename _bt_search() variables.
Make some of the variable names in _bt_search() consistent with
corresponding variables within _bt_getstackbuf(). This naming scheme is
clearer because the variable names always express a relationship between
the currently locked buffer/page and some other p