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vacuum_activity.sql
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vacuum_activity.sql
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SELECT
p.pid,
now() - a.xact_start AS duration,
coalesce(wait_event_type ||'.'|| wait_event, 'f') AS waiting,
CASE
WHEN a.query ~ '^autovacuum.*to prevent wraparound' THEN 'wraparound'
WHEN a.query ~ '^vacuum' THEN 'user'
ELSE 'regular'
END AS mode,
p.datname AS database,
p.relid::regclass AS table,
p.phase,
pg_size_pretty(p.heap_blks_total * current_setting('block_size')::int) AS table_size,
pg_size_pretty(pg_total_relation_size(relid)) AS total_size,
pg_size_pretty(p.heap_blks_scanned * current_setting('block_size')::int) AS scanned,
pg_size_pretty(p.heap_blks_vacuumed * current_setting('block_size')::int) AS vacuumed,
round(100.0 * p.heap_blks_scanned / p.heap_blks_total, 1) AS scanned_pct,
round(100.0 * p.heap_blks_vacuumed / p.heap_blks_total, 1) AS vacuumed_pct,
p.index_vacuum_count,
round(100.0 * p.num_dead_tuples / p.max_dead_tuples,1) AS dead_pct
FROM pg_stat_progress_vacuum p
RIGHT JOIN pg_stat_activity a ON a.pid = p.pid
WHERE (a.query ~* '^autovacuum:' OR a.query ~* '^vacuum') AND a.pid <> pg_backend_pid()
ORDER BY now() - a.xact_start DESC;