There's a lot of memory space, swap is used

There's a lot of memory, using swap.

At this point, swap does not necessarily affect performance:

In other words, the current data stored in swap is still infrequently used-that is, swap is playing a normal role.

According to the memory management algorithm, when the memory page is not accessed for a long time, the page is swapped out without affecting the use.

But you should be able to change the page algorithm, try not to change out.

It also means that the process takes up a lot of memory, which is not used for a long time, so it is swapped to the swap partition

In other words, the memory has a page change, and the infrequently used content is swapped to the swap partition. i.e. swap out. Memory swap out.

This article is from the Linux and networking blogs, so be sure to keep this source http://khaozi.blog.51cto.com/952782/1776047

There's a lot of memory space, swap is used