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Add delay time to VACUUM/ANALYZE (VERBOSE) and autovacuum logs.

Browse Source 
Commit bb8dff9995 added this information to the
pg_stat_progress_vacuum and pg_stat_progress_analyze system views.
This commit adds the same information to the output of VACUUM and
ANALYZE with the VERBOSE option and to the autovacuum logs.

Suggested-by: Masahiro Ikeda <ikedamsh@oss.nttdata.com>
Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Discussion: https://postgr.es/m/ZmaXmWDL829fzAVX%40ip-10-97-1-34.eu-west-3.compute.internal
This commit is contained in:
Nathan Bossart
2025-02-14 14:53:28 -06:00
parent 9ad1b3d01f
commit 7720082ae5
3 changed files with 26 additions and 3 deletions
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11
src/backend/access/heap/vacuumlazy.c
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@@ -1091,6 +1091,17 @@ heap_vacuum_rel(Relation rel, VacuumParams *params,
istat->pages_deleted,
istat->pages_free);
}
if (track_cost_delay_timing)
{
/*
* We bypass the changecount mechanism because this value is
* only updated by the calling process. We also rely on the
* above call to pgstat_progress_end_command() to not clear
* the st_progress_param array.
*/
appendStringInfo(&buf, _("delay time: %.3f ms\n"),
(double) MyBEEntry->st_progress_param[PROGRESS_VACUUM_DELAY_TIME] / 1000000.0);
}
if (track_io_timing)
{
double read_ms = (double) (pgStatBlockReadTime - startreadtime) / 1000;