やっとこさ起動成功したMariaDBをテストしようとしたら、いつの間にか勝手に落ちてた罠（´Д｀；）

やったことと言えば、mysqladminコマンドを起動したぐらいだが。

謎

2022-03-08 4:18:35 0 [Note] /usr/sbin/mysqld (initiated by: unknown): Normal shutdown
2022-03-08 4:18:35 0 [Note] InnoDB: FTS optimize thread exiting.
2022-03-08 4:18:35 0 [Note] Event Scheduler: Purging the queue. 0 events
2022-03-08 4:18:35 0 [Note] InnoDB: Starting shutdown...
2022-03-08 4:18:35 0 [Note] InnoDB: Dumping buffer pool(s) to /var/lib/mysql/ib_buffer_po
ol
2022-03-08 4:18:35 0 [Note] InnoDB: Buffer pool(s) dump completed at 220308 4:18:35
2022-03-08 4:18:36 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
2022-03-08 4:18:36 0 [Note] InnoDB: Shutdown completed; log sequence number 1625452; tran
saction id 21
2022-03-08 4:18:36 0 [Note] /usr/sbin/mysqld: Shutdown complete