On Thu, Sep 23, 2021, at 7:18 AM, Michael Paquier wrote: > On Thu, Sep 23, 2021 at 10:48:37AM +0200, Laurenz Albe wrote: > > Thanks, and +1 from me. > > maintenance_work_mem would be used in the context of autovacuum if > autovacuum_work_mem is -1, but it seems to me that the suggested > wording sounds like only autovacuum_work_mem is used and that it would > never fall back to maintenance_work_mem, no? I would suggest the > addition of "if specified" in the new part within parenthesis > Good point. However, I prefer "if set".
-- Euler Taveira EDB https://www.enterprisedb.com/
From fb9672d58520f452b27f1747d2ed13ddf9f5658e Mon Sep 17 00:00:00 2001 From: Euler Taveira <euler.tave...@enterprisedb.com> Date: Wed, 22 Sep 2021 14:47:12 -0300 Subject: [PATCH v2] Improve vacumming indexes description Mention autovacuum_work_mem if VACUUM is run by autovacuum. Reported-by: Nikolai Berkoff Author: Laurenz Albe Reviewed-by: Nikolai Berkoff, Michael Paquier, Euler Taveira Discussion: https://postgr.es/m/1kIqf6Q1G-wVkQkeg_BRSpcmy77hNfh9vlLQ3AF1APT-pKHRYT3z1IuDC5K2w83-4Qa016V1SfWJfF1v0Z0qf6141DbLcpIZJY3edlBEkCs%3D%40pm.me --- doc/src/sgml/monitoring.sgml | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index 2281ba120f..c2f2a3a7a8 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -6147,8 +6147,9 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid, <command>VACUUM</command> is currently vacuuming the indexes. If a table has any indexes, this will happen at least once per vacuum, after the heap has been completely scanned. It may happen multiple times per vacuum - if <xref linkend="guc-maintenance-work-mem"/> is insufficient to - store the number of dead tuples found. + if <xref linkend="guc-maintenance-work-mem"/> (or, in the case of autovacuum, + <xref linkend="guc-autovacuum-work-mem"/>, if set) is insufficient to store + the number of dead tuples found. </entry> </row> <row> -- 2.20.1
