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help / color / mirror / Atom feedFrom: Bertrand Drouvot <[email protected]>
Subject: [PATCH v5 3/4] Don't include other backend's stats in the snapshot
Date: Thu, 7 Nov 2024 12:10:37 +0000
When stats_fetch_consistency is set to 'snapshot', don't include other backend's
stats in the snapshot. There is no use case, so save memory usage.
---
src/backend/utils/activity/pgstat.c | 4 ++++
1 file changed, 4 insertions(+)
100.0% src/backend/utils/activity/
diff --git a/src/backend/utils/activity/pgstat.c b/src/backend/utils/activity/pgstat.c
index d051db5c10..4982dec8a9 100644
--- a/src/backend/utils/activity/pgstat.c
+++ b/src/backend/utils/activity/pgstat.c
@@ -1181,6 +1181,10 @@ pgstat_build_snapshot(void)
!kind_info->accessed_across_databases)
continue;
+ /* there is no need to include other backend's stats */
+ if (kind == PGSTAT_KIND_PER_BACKEND && p->key.objid != MyProcNumber)
+ continue;
+
if (p->dropped)
continue;
--
2.34.1
--xszoq7AUxWDP9Wxf
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
filename="v5-0004-Add-pg_stat_get_backend_io.patch"
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Subject: Re: [PATCH v5 3/4] Don't include other backend's stats in the snapshot
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