Redis if no key set expiry policies, and memory does not overflow, then the data will have been resident in memory? When it comes to the operating system level? Operating systems have a virtual storage system, isn't it? To temporarily no data in the process of paged to disk,

CodePudding user response:

https://blog.csdn.net/bible_reader/article/details/84138665

Redis itself is support is saved to disk (the so-called persistent)