> For the complete documentation index, see [llms.txt](https://easonwang.gitbook.io/web_advance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://easonwang.gitbook.io/web_advance/hou-duan-huan-cun.md).

# 後端緩存 Cache

## Page Cache,  Buffer Cache

{% embed url="<http://lday.me/2019/09/09/0023_linux_page_cache_and_buffer_cache/>" %}

## VSZ,  RSS

{% embed url="<https://www.jishuwen.com/d/2jOA/zh-tw>" %}

## TLB

<https://en.wikipedia.org/wiki/Translation_lookaside_buffer>

## LRU, LFU

<https://stackoverflow.com/questions/17759560/what-is-the-difference-between-lru-and-lfu>