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Improve autovacuum logging for aggressive and anti-wraparound runs 

A log message was being generated when log_min_duration is reached for
autovacuum on a given relation to indicate if it was an aggressive run,
and missed the point of mentioning if it is doing an anti-wrapround
run.  The log message generated is improved so as one, both or no extra
details are added depending on the option set.

Author: Sergei Kornilov
Reviewed-by: Masahiko Sawada, Michael Paquier
Discussion: https://postgr.es/m/11587951532155118@sas1-19a94364928d.qloud-c.yandex.net
This commit is contained in:
Michael Paquier 2018-09-14 07:35:39 +09:00
parent f48fa2bc8b
commit 28a8fa984c
1 changed files with 13 additions and 3 deletions
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16
src/backend/commands/vacuumlazy.c
View File

@ -374,10 +374,20 @@ lazy_vacuum_rel(Relation onerel, int options, VacuumParams *params,
* emitting individual parts of the message when not applicable.
*/
initStringInfo(&buf);
if (aggressive)
msgfmt = _("automatic aggressive vacuum of table \"%s.%s.%s\": index scans: %d\n");
if (params->is_wraparound)
{
if (aggressive)
msgfmt = _("automatic aggressive vacuum to prevent wraparound of table \"%s.%s.%s\": index scans: %d\n");
else
msgfmt = _("automatic vacuum to prevent wraparound of table \"%s.%s.%s\": index scans: %d\n");
}
else
msgfmt = _("automatic vacuum of table \"%s.%s.%s\": index scans: %d\n");
{
if (aggressive)
msgfmt = _("automatic aggressive vacuum of table \"%s.%s.%s\": index scans: %d\n");
else
msgfmt = _("automatic vacuum of table \"%s.%s.%s\": index scans: %d\n");
}
appendStringInfo(&buf, msgfmt,
get_database_name(MyDatabaseId),
get_namespace_name(RelationGetNamespace(onerel)),