Purport † PostgreSQLが重いとき、ロックがかかってないかを確認する方法 SELECT * FROM pg_locks; relation | database | transaction | pid | mode | granted ----------+----------+-------------+-------+------------------+--------- | | 6909879 | 12958 | ExclusiveLock | t 183050 | 182948 | | 13066 | AccessShareLock | t 373226 | 182948 | | 13066 | AccessShareLock | t | | 6909880 | 13378 | ExclusiveLock | t 454535 | 182948 | | 12958