How can we monitor the number of parallel workers that were used by CREATE INDEX? #PostgreSQL
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The pg_stat_progress_create_index view on v12. The trace_sort GUC + client_min_messages=LOG on v11.
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Which column in pg_stat_progress_create_index indicates that? Thanks in advance!
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Hmm. I guess it doesn't actually say anything about the number of workers (though pg_stat_activity will show that). Parallel workers are only used for the scan and initial sorting, which usually means that they are only active for about the first half of an index build.
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