mysql启动不起来了！

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[root@iZ28r2sl9qkZ data]# service mysqld restart
MySQL server PID file could not be found! [FAILED]
Starting MySQL.The server quit without updating PID file (/[FAILED]server/mysql/data/iZ28r2sl9qkZ.pid).

vim /alidata/log/mysql/error.log

2016-01-29 15:56:01 14303 [Note] InnoDB: Initializing buffer pool, size = 128.0M
InnoDB: mmap(137363456 bytes) failed; errno 12

innodb 配置的内存太大，改一下配置 my.cnf

[mysqld]
innodb_buffer_pool_size = 64M

mysql启动不起来了！

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原文地址：http://www.cnblogs.com/wendao/p/5169284.html