redis 有如标题所示提示, 可从两方面查找原因:

一, 可以看一下,运行redis实例的用户, 是否对redis, 数据保存的目录有写权限(既然是排查错误,不防把redis所在目录权限最大化试一下)

二, 可以参考 此篇文章 的内容, 在 /etc/sysctl.conf 此文件里[不是redis配置文件哟], 最后一行添加 vm.overcommit_memory = 1 然后重启(或者运行命令'sysctl vm.overcommit_memory=1' ), 使其生效

学习点: 1, 要了解并知道 redis 配置文件 里配置项的意思  2, 对操作系统内存的分配置可以关注并了解一下

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