mysql - 启动错误InnoDB: mmap(137363456 bytes) failed; errno 12
2014-03-15 18:11
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【zsm】下午mysql出现了问题,很纠结,最后找到了原因,原因是内存不够用;
查看内存显示
[root@AY1305070924544 /]# free -m
total used free shared buffers cached
Mem: 995 928 66 0 6 19
-/+ buffers/cache: 903 91
Swap: 0 0 0
重启错误提示
[root@AY1305070924544 /]# /etc/init.d/mysqld start
Starting MySQL. ERROR! The server quit without updating PID file (/var/mysql/data/AY1305070924544.pid).
[root@AY1305070924544 /]# /etc/init.d/mysqld restart
ERROR! MySQL server PID file could not be found!
Starting MySQL. ERROR! The server quit without updating PID file (/var/mysql/data/AY1305070924544.pid).
这个其实日志里面说的很明白就是 mysql要占用内存的时候 物理内存不够用导致的 所有 vim /etc/my.cnf
[inonodb]
innodb_buffer_pool_size=64MB 把这个数值改小 高版本的默认是128mb 版本的默认是8Mb
查看内存显示
[root@AY1305070924544 /]# free -m
total used free shared buffers cached
Mem: 995 928 66 0 6 19
-/+ buffers/cache: 903 91
Swap: 0 0 0
重启错误提示
[root@AY1305070924544 /]# /etc/init.d/mysqld start
Starting MySQL. ERROR! The server quit without updating PID file (/var/mysql/data/AY1305070924544.pid).
[root@AY1305070924544 /]# /etc/init.d/mysqld restart
ERROR! MySQL server PID file could not be found!
Starting MySQL. ERROR! The server quit without updating PID file (/var/mysql/data/AY1305070924544.pid).
这个其实日志里面说的很明白就是 mysql要占用内存的时候 物理内存不够用导致的 所有 vim /etc/my.cnf
[inonodb]
innodb_buffer_pool_size=64MB 把这个数值改小 高版本的默认是128mb 版本的默认是8Mb
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