我的PostgreSQL从属节点出现以下错误：
FATAL: terminating connection due to conflict with recovery
DETAIL: User was holding a relation lock for too long.
已启用参数：hot_standby_feedback = on
当我查询pg_stat_database_conflicts视图时，我只得到到目前为止发生的冲突数。有没有办法找到哪个查询持有锁（在主节点或从节点上）？