database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-31 22:04:40 +03:00
Code Activity

Revert "Add eager and lazy freezing strategies to VACUUM."

Browse Source 
This reverts commit 4d41799261.  Broad
concerns about regressions caused by eager freezing strategy have been
raised.  Whether or not these concerns can be worked through in any time
frame is far from certain.

Discussion: https://postgr.es/m/20230126004347.gepcmyenk2csxrri@awork3.anarazel.de
This commit is contained in:
Peter Geoghegan
2023-01-25 22:22:27 -08:00
parent 8b5f36bb6c
commit 6c6b497266
12 changed files with 14 additions and 197 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/backend/utils/misc/guc_tables.c
View File

@ -2535,20 +2535,6 @@ struct config_int ConfigureNamesInt[] =
NULL, NULL, NULL
},
{
{"vacuum_freeze_strategy_threshold", PGC_USERSET, CLIENT_CONN_STATEMENT,
gettext_noop("Table size at which VACUUM freezes using eager strategy, in megabytes."),
gettext_noop("This is applied by comparing it to the size of a table's main fork at "
"the beginning of each VACUUM. Eager freezing strategy is used when size "
"exceeds the threshold, or when table is a temporary or unlogged table. "
"Otherwise lazy freezing strategy is used."),
GUC_UNIT_MB
},
&vacuum_freeze_strategy_threshold,
4096, 0, MAX_KILOBYTES,
NULL, NULL, NULL
},
{
{"vacuum_defer_cleanup_age", PGC_SIGHUP, REPLICATION_PRIMARY,
gettext_noop("Number of transactions by which VACUUM and HOT cleanup should be deferred, if any."),