Confluence Provides the state of the cache for the internal cache of the system, so that you can track the hit rate of the cache size , If necessary , You can adjust the cache , Let the cache better meet your needs . Please check out  Performance Tuning  Content in page .

#### Configure the cache

The system administrator can use Confluence Modify the size of the cache used by the system , These changes need to be corrected Confluence It will take effect after restart . The maximum usage unit defined in the cache area can be adjusted independently .

Please note that , When you set up a large cache, it will require a large amount of memory , So you need to look at Confluence Java Memory usage in the process , And how much memory is available on your server .

#### View cache status and edit cache size

Want to see the cache status ：

1. Get into   >  Basic configuration （General Configuration） >  Cache management （Cache Management.）
2. choice Show advanced view （Show Advanced View）.

Here's a common example of caching , Content object caching （Content Object）.

About exchange generation （generated ） Number ：

 Capacity utilization （Capacity Utilization） =(Objects)/(Size) An example of using percentages = 4023 / 5000 = 80% =(Hits)/(Hits + Misses) Efficiency example = 374550 / (374550 + 140460) = 73% The number of entities in the cache / Number of all entities allowed （ This is the size of the cache ）. In this cache ,Heap Memory （MB）（ If available ） Request data in the cache , Including the data found , Data not found and data cleared from the cache . Only use this option to specify the maximum cache size . Refresh cache .

Modifying the cache size configuration is in the file  shared-home/config/cache-settings-overrides.properties  In file , This is in your home Under the table of contents （ If you're using Confluence Data center model , So this is in the shared directory ）.

If you need to be right Confluence Clean up the cache of , You can simply delete the cache file .

https://www.cwiki.us/display/CONF6ZH/Cache+Statistics

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This page helps you to improve the performance of your application . This page is not for you to Confluence A guide to fixing problems when they arise . If your Confluence If it collapses , Please check out Troubleshootin ...

7. CYQ.Data V5 Distributed automatic cache design introduction

In front of the : In fact, before we complete this function , I was just thinking : It's about writing down your ideas first , We'll talk about it later , Or write an article to discuss your own thinking after realization . Suddenly, a voice came from the back of my head and said : You will be in a daze . So calm down , Let me gently put the code ...

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Browser specific http Cache analysis is a clich é , Every once in a while, a good article comes out , Its principle is also a question that almost must be tested in interviews of major companies . The reason why I still write such an article , It's because new technologies are being developed recently , Want to “ Return to ” Lay the foundation , Also hope that ...

9. HTML5 Offline caching （Application Cache）

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