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Default Scheme
If a cache has not been defined, then it will use the default cache size and expiry. As the start of your confluence/WEB-INF/classes/confluence-coherence-cache-config.xml
file you will notice the following:
<cache-mapping> <cache-name>*</cache-name> <scheme-name>default</scheme-name> </cache-mapping>
So basically all caches will default to using the default scheme, which is defined as below:
<!-- Default scheme --> <local-scheme> <scheme-name>default</scheme-name> <class-name>com.atlassian.confluence.cache.tangosol.ExpiryCountingLocalCache</class-name> <high-units>1000</high-units> <expiry-delay>3600</expiry-delay> </local-scheme>
I.e. with a size of 1000 Objects and an expiry of 3600 seconds. Other schemes use the above as their default and either override the size of the cache, or the length of the expiry.
The information on this page does not apply to Confluence OnDemand.
Common Schemes
In addition to the default scheme, there are also common schemes used in Confluence caches:
<!-- Common schemes --> <local-scheme> <scheme-name>large</scheme-name> <scheme-ref>default</scheme-ref> <high-units>10000</high-units> </local-scheme> <local-scheme> <scheme-name>medium</scheme-name> <scheme-ref>default</scheme-ref> <high-units>5000</high-units> </local-scheme> <local-scheme> <scheme-name>small</scheme-name> <scheme-ref>default</scheme-ref> <high-units>100</high-units> </local-scheme> <local-scheme> <scheme-name>large-transient</scheme-name> <scheme-ref>default</scheme-ref> <high-units>10000</high-units> <expiry-delay>300s</expiry-delay> </local-scheme> <local-scheme> <scheme-name>user</scheme-name> <scheme-ref>default</scheme-ref> <high-units>5000</high-units> <expiry-delay>300s</expiry-delay> </local-scheme>
関連トピック
Cache Performance Tuning
Confluence Cache Schemes
Cache Performance Tuning for Specific Problems
Requesting Performance Support
Confluence Administrator's Guide
Configuring Confluence