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%

efficiency (Effectiveness

=(Hits)/(Hits + Misses)

Efficiency example = 374550 / (374550 + 140460) = 73%

At present / The largest entity (Current / Max Entries) The number of entities in the cache / Number of all entities allowed ( This is the size of the cache ).
At present Heap size (Current Heap Size) In this cache ,Heap Memory (MB)( If available )
hit / Not hit / Dispel (Hit / Miss / Evicted) Request data in the cache , Including the data found , Data not found and data cleared from the cache .
Resize (Adjust Size) Only use this option to specify the maximum cache size .
Refresh (Flush 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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