MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk.
Posted hoho_12
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问题：tomcat服务中报了如下的错误：
redis.clients.jedis.exceptions.JedisDataException: MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error.
分析： 项目中用到了redis，启动tomcat时报了redis的错，那就是redis出了问题。仔细排查发现redis安装在c盘，此时c盘已经红了，占满了。再读一下这个错误，可以发现是reids数据无法缓存到磁盘。
解决方案：删除c盘中占用的一个20多g的大文件之后，重新启动tomcat，解决问题。
c盘中还安装了navicat，navicat里面的一个日志文件竟然占用了20多个g，删除此日志文件。
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