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crond-centos6.5 定时备份mysql 导出mysql数据大小为0

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Release： 2016-06-06 09:43:59
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mysqlcrondmysqldump

centos定时任务 执行mysql数据备份
在/home/www/shell/ 写了个shell脚本 加入执行权限
定时执行的时候 到处的sql文件大小为0 且没有错误log输出
如果单独执行./xxx.sh 导出的sql正常
问题蛮怪 不知道有没有碰到的

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mysql crond mysqldump
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