セントOS5.8
yum update を実行して MySQL を更新しましたが、起動しません。原因や修正方法について何かアイデアはありますか?
ログには次のように表示されます。
121017 15:58:39 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
121017 15:58:40 [Note] Plugin 'FEDERATED' is disabled.
121017 15:58:40 InnoDB: The InnoDB memory heap is disabled
121017 15:58:40 InnoDB: Mutexes and rw_locks use GCC atomic builtins
121017 15:58:40 InnoDB: Compressed tables use zlib 1.2.3
121017 15:58:40 InnoDB: Using Linux native AIO
121017 15:58:40 InnoDB: Error: Linux Native AIO is not supported on tmpdir.
InnoDB: You can either move tmpdir to a file system that supports native AIO
InnoDB: or you can set innodb_use_native_aio to FALSE to avoid this message.
121017 15:58:40 InnoDB: Error: Linux Native AIO check on tmpdir returned error[22]
121017 15:58:40 InnoDB: Warning: Linux Native AIO disabled.
121017 15:58:40 InnoDB: Initializing buffer pool, size = 512.0M
121017 15:58:40 InnoDB: Completed initialization of buffer pool
121017 15:58:40 InnoDB: highest supported file format is Barracuda.
121017 15:58:41 InnoDB: Waiting for the background threads to start
121017 15:58:42 InnoDB: 1.1.8 started; log sequence number 360826692325
121017 15:58:42 [ERROR] /usr/libexec/mysqld: unknown variable 'record_buffer=2M'
121017 15:58:42 [ERROR] Aborting
121017 15:58:42 InnoDB: Starting shutdown...
121017 15:58:42 InnoDB: Shutdown completed; log sequence number 360826692325
121017 15:58:43 [Note] /usr/libexec/mysqld: Shutdown complete
121017 15:58:43 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
答え1
record_buffer=2Mmy.cnf ファイルから削除して、もう一度試してください。
答え2
MySQL 5.5 にアップグレードしましたか? 変数はrecord_buffer非推奨です。
参照するMySQL 5.5 の新機能:
Removed Features
The record_buffer system variable (use read_buffer_size).
変数は次のように呼ばれます読み取りバッファサイズ。