From 23e98f7c6f6551b64ec42bd17cad1c3bb1252c4f Mon Sep 17 00:00:00 2001 From: benoit Date: Mon, 20 Jan 2025 15:48:32 +0100 Subject: [PATCH v8 2/4] Setup counters for parallel vacuums This can be used by other patches such as the one for pg_stat_database. --- src/backend/commands/vacuumparallel.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/backend/commands/vacuumparallel.c b/src/backend/commands/vacuumparallel.c index dc3322c256..b63a4c0c55 100644 --- a/src/backend/commands/vacuumparallel.c +++ b/src/backend/commands/vacuumparallel.c @@ -208,6 +208,9 @@ struct ParallelVacuumState int nindexes_parallel_cleanup; int nindexes_parallel_condcleanup; + int nworkers_to_launch; + int nworkers_launched; + /* Buffer access strategy used by leader process */ BufferAccessStrategy bstrategy; @@ -362,6 +365,9 @@ parallel_vacuum_init(Relation rel, Relation *indrels, int nindexes, if ((vacoptions & VACUUM_OPTION_PARALLEL_COND_CLEANUP) != 0) pvs->nindexes_parallel_condcleanup++; } + pvs->nworkers_to_launch = 0; + pvs->nworkers_launched = 0; + shm_toc_insert(pcxt->toc, PARALLEL_VACUUM_KEY_INDEX_STATS, indstats); pvs->indstats = indstats; @@ -738,6 +744,9 @@ parallel_vacuum_process_all_indexes(ParallelVacuumState *pvs, int num_index_scan for (int i = 0; i < pvs->pcxt->nworkers_launched; i++) InstrAccumParallelQuery(&pvs->buffer_usage[i], &pvs->wal_usage[i]); + + pvs->nworkers_to_launch += pvs->pcxt->nworkers_to_launch; + pvs->nworkers_launched += pvs->pcxt->nworkers_launched; } /* -- 2.47.1