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REDIS持久化报错失败

2016-03-17 17:25 288 查看
最近在生成环境中发现REDIS无法持久化，报错信息如下：

redis log报错：

[7666] 15 Jan 00:22:36.028 # Error moving temp DB file on the final destination: Invalid cross-device link

[1937] 15 Jan 00:22:36.513 # Background saving error

[1937] 15 Jan 00:22:36.614 * 1 changes in 900 seconds. Saving...

[7679] 15 Jan 00:27:15.659 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1'
for this to take effect.

[7679] 15 Jan 00:27:35.287 * DB loaded from disk: 19.629 seconds

处理方案：

根据提示，在配置文件/etc/sysctl.conf中加入：

vm.overcommit_memory=1

重启REDIS即可
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