kernelOut of memory

[font='Helvetica Neue', 'Luxi Sans', 'DejaVu Sans', Tahoma, 'Hiragino Sans GB', STHeiti, 'Microsoft YaHei']环境是阿里云一键环境，运行DZX3.2后MYSQL会无故自动结束进程。原来是1G内存，按照帮助文档升级到了2G内存 问题依旧存在。
[font='Helvetica Neue', 'Luxi Sans', 'DejaVu Sans', Tahoma, 'Hiragino Sans GB', STHeiti, 'Microsoft YaHei']Apr 17 21:29:15 AY1210091151485 kernel: Out of memory: Kill process 1595 (php-fpm) score 113 or sacrifice childApr 17 21:29:15 AY1210091151485 kernel: Killed process 1595, UID 500, (php-fpm) total-vm:319052kB, anon-rss:114780kB, file-rss:60kB
[font='Helvetica Neue', 'Luxi Sans', 'DejaVu Sans', Tahoma, 'Hiragino Sans GB', STHeiti, 'Microsoft YaHei']

---------- make dir ok -------------------- env ok -------------------- mysql-5.5.40 ok -------------------- nginx-1.4.4 ok -------------------- php-5.3.29 ok -------------------- php extension ok -------------------- vsftpd-2.2.2  ok -------------------- phpwind-8.7 ok -------------------- phpmyadmin-4.1.8 ok -------------------- web init ok -------------------- rc init ok -------------------- mysql init ok ----------




请教如何处理。