How to identify this mysqld (initiated by: unknown): Normal shutdown
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Could you help to elaborate or tell me the reason behind this mysql shutdown? Specifically, is there any way to know the program/something which initiate it? Currently we are using this version
mysql Ver 15.1 Distrib 10.3.28-MariaDB, for Linux (x86_64) using readline 5.1
Thank you
May 22 14:49:24 srv43 mysqld: 2021-05-22 14:49:24 0 [Note] /usr/sbin/mysqld (initiated by: unknown): Normal shutdown May 22 14:49:24 srv43 mysqld: 2021-05-22 14:49:24 0 [Note] Event Scheduler: Purging the queue. 5 events May 22 14:49:24 srv43 mysqld: 2021-05-22 14:49:24 0 [Note] InnoDB: FTS optimize thread exiting. May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Starting shutdown... May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Dumping buffer pool(s) to /var/lib/mysql/ib_buffer_pool May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Instance 0, restricted to 16384 pages due to innodb_buf_pool_dump_pct=25 May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Instance 1, restricted to 16384 pages due to innodb_buf_pool_dump_pct=25 May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Instance 2, restricted to 16384 pages due to innodb_buf_pool_dump_pct=25 May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Instance 3, restricted to 16384 pages due to innodb_buf_pool_dump_pct=25 May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Instance 4, restricted to 16384 pages due to innodb_buf_pool_dump_pct=25 May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Instance 5, restricted to 16384 pages due to innodb_buf_pool_dump_pct=25 May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Instance 6, restricted to 16384 pages due to innodb_buf_pool_dump_pct=25 May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Instance 7, restricted to 16384 pages due to innodb_buf_pool_dump_pct=25 May 22 14:49:26 srv43 mysqld: 2021-05-22 14:49:26 0 [Note] InnoDB: Buffer pool(s) dump completed at 210522 14:49:26 May 22 14:49:29 srv43 mysqld: 2021-05-22 14:49:29 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1" May 22 14:49:29 srv43 mysqld: 2021-05-22 14:49:29 0 [Note] InnoDB: Shutdown completed; log sequence number 2035532137592; transaction id 3973831863 May 22 14:49:30 srv43 mysqld: 2021-05-22 14:49:30 0 [Note] /usr/sbin/mysqld: Shutdown complete
Answer
Task MDEV-25840 was written to improve the future log message here, hopefully with some information you'd like. Any feedback or contributions with the task welcome.
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