我的 PostgreSQL 服务器意外重启并显示以下消息：
2017-08-16 03:44:34 GMT LOG: received fast shutdown request
2017-08-16 03:44:34 GMT LOG: aborting any active transactions
2017-08-16 03:44:34 GMT FATAL: terminating connection due to administrator command
2017-08-16 03:44:34 GMT FATAL: terminating connection due to administrator command
2017-08-16 03:44:34 GMT LOG: autovacuum launcher shutting down
2017-08-16 03:44:34 GMT LOG: shutting down
2017-08-16 03:44:34 GMT LOG: database system is shut down
2017-08-16 03:46:04 GMT LOG: incomplete startup packet
2017-08-16 03:46:04 GMT LOG: database system was shut down at 2017-08-16 …