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Flush WAL stats in bgwriter

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bgwriter can write out WAL, but did not flush the WAL pgstat counters,
so the writes were not seen in pg_stat_wal.

Back-patch to v14, where pg_stat_wal was introduced.

Author: Nazir Bilal Yavuz
Reviewed-by: Matthias van de Meent, Kyotaro Horiguchi
Discussion: https://www.postgresql.org/message-id/CAN55FZ2FPYngovZstr%3D3w1KSEHe6toiZwrurbhspfkXe5UDocg%40mail.gmail.com
This commit is contained in:
Heikki Linnakangas 2023-10-02 12:39:35 +03:00
parent cf12c4fd29
commit 594001864a
1 changed files with 1 additions and 0 deletions
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src/backend/postmaster/bgwriter.c
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@ -247,6 +247,7 @@ BackgroundWriterMain(void)
* Send off activity statistics to the stats collector * Send off activity statistics to the stats collector
*/ */
pgstat_send_bgwriter(); pgstat_send_bgwriter();
pgstat_send_wal(true);
if (FirstCallSinceLastCheckpoint()) if (FirstCallSinceLastCheckpoint())
{ {