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Commit6a8a7ce

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Add information about WAL buffers full to VACUUM/ANALYZE (VERBOSE)
This commit adds the information about the number of times WAL buffershave been full to the logs generated by VACUUM/ANALYZE (VERBOSE) and inthe logs generated by autovacuum, complementing the existing informationstored by WalUsage.This is the last part of the backend code where the value ofwal_buffers_full can be reported, similarly to all the other fields ofWalUsage.320545b andce5bcc4 have done the same for EXPLAINand pgss.Author: Bertrand DrouvotReviewed-by: Ilia EvdokimovDiscussion:https://postgr.es/m/Z6SOha5YFFgvpwQY@ip-10-97-1-34.eu-west-3.compute.internal
1 parent320545b commit6a8a7ce

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2 files changed

+6
-4
lines changed

2 files changed

+6
-4
lines changed

‎src/backend/access/heap/vacuumlazy.c

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1125,10 +1125,11 @@ heap_vacuum_rel(Relation rel, VacuumParams *params,
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(long long)total_blks_read,
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(long long)total_blks_dirtied);
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appendStringInfo(&buf,
1128-
_("WAL usage: %lld records, %lld full page images, %llu bytes\n"),
1128+
_("WAL usage: %lld records, %lld full page images, %llu bytes, %lld buffers full\n"),
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(long long)walusage.wal_records,
11301130
(long long)walusage.wal_fpi,
1131-
(unsigned long long)walusage.wal_bytes);
1131+
(unsigned long long)walusage.wal_bytes,
1132+
(long long)walusage.wal_buffers_full);
11321133
appendStringInfo(&buf,_("system usage: %s"),pg_rusage_show(&ru0));
11331134

11341135
ereport(verbose ?INFO :LOG,

‎src/backend/commands/analyze.c

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -832,10 +832,11 @@ do_analyze_rel(Relation onerel, VacuumParams *params,
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(long long)total_blks_read,
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(long long)total_blks_dirtied);
834834
appendStringInfo(&buf,
835-
_("WAL usage: %lld records, %lld full page images, %llu bytes\n"),
835+
_("WAL usage: %lld records, %lld full page images, %llu bytes, %lld buffers full\n"),
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(long long)walusage.wal_records,
837837
(long long)walusage.wal_fpi,
838-
(unsigned long long)walusage.wal_bytes);
838+
(unsigned long long)walusage.wal_bytes,
839+
(long long)walusage.wal_buffers_full);
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appendStringInfo(&buf,_("system usage: %s"),pg_rusage_show(&ru0));
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841842
ereport(verbose ?INFO :LOG,

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