41 lines
2.3 KiB
PL/PgSQL
41 lines
2.3 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION public.c77_dbh_get_vacuum_health()
|
|
RETURNS JSON AS $$
|
|
BEGIN
|
|
RETURN (
|
|
SELECT json_agg(
|
|
json_build_object(
|
|
'metric', 'Table Vacuum Health',
|
|
'table_name', table_name,
|
|
'status', CASE
|
|
WHEN bloat_estimate > 50 THEN 'Red'
|
|
WHEN bloat_estimate > 20 THEN 'Yellow'
|
|
ELSE 'Green'
|
|
END,
|
|
'severity', CASE
|
|
WHEN bloat_estimate > 50 THEN 5
|
|
WHEN bloat_estimate > 20 THEN 3
|
|
ELSE 1
|
|
END,
|
|
'insight', CASE
|
|
WHEN bloat_estimate > 50 THEN 'Table has critical bloat; vacuum and analyze urgently.'
|
|
WHEN bloat_estimate > 20 THEN 'Table has moderate bloat; consider vacuuming.'
|
|
ELSE 'Table is in good health.'
|
|
END,
|
|
'action', CASE
|
|
WHEN bloat_estimate > 50 THEN 'Run VACUUM FULL or CLUSTER; check autovacuum settings.'
|
|
WHEN bloat_estimate > 20 THEN 'Run VACUUM and ANALYZE; monitor autovacuum.'
|
|
ELSE 'No action needed.'
|
|
END,
|
|
'last_vacuum', last_vacuum::text,
|
|
'last_autovacuum', last_autovacuum::text,
|
|
'vacuum_count', vacuum_count,
|
|
'dead_tuples', dead_tuples,
|
|
'live_tuples', live_tuples,
|
|
'table_size', table_size::text || ' bytes',
|
|
'bloat_estimate', bloat_estimate::text || '%'
|
|
)
|
|
)
|
|
FROM public.c77_dbh_vacuum_stats
|
|
);
|
|
END;
|
|
$$ LANGUAGE plpgsql; |