Cache
Description
The cache configuration provides a way to tune the setting used to setup the cache associated with various other configuration items, for example a Data Source based Data Definition.
The cache tag itself is not used as a top level configuration item but is instead embedded within other tags.
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urn:com.cohga.server.cache#1.0
Tags
cache
Properties
Name | Type | Required | Description |
maxElementsInMemory | number | no | The maximum number of elements in memory, before they are evicted |
maxElementsOnDisk | number | no | The maximum number of elements to hold on Disk |
memoryStoreEvictionPolicy | 'LRU', 'LFU', or 'FIFO' | no | Policy used to determine which items to remove, default is LRU |
overflowToDisk | boolean | no | Whether to use the disk store |
eternal | boolean | no | Whether the elements in the cache are eternal, i.e. never expire |
timeToLiveSeconds | number | no | The default amount of time to live for an element from its creation date |
timeToIdleSeconds | number | no | The default amount of time to live for an element from its last accessed or modified date |
diskPersistent | boolean | no | Whether to persist the cache to disk between JVM restarts |
diskExpiryThreadIntervalSeconds | number | no | How often to run the disk store expiry thread. A large number of 120 seconds plus is recommended |
Sub-tags
None
Content
None
Examples
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<cache:cache> <maxElementsInMemory>50</maxElementsInMemory> <memoryStoreEvictionPolicy>LRU</memoryStoreEvictionPolicy> <eternal>false</eternal> <timeToIdleSeconds>0</timeToIdleSeconds> <timeToLiveSeconds>300</timeToLiveSeconds> <overflowToDisk>true</overflowToDisk> <maxElementsOnDisk>2000</maxElementsOnDisk> <diskPersistent>false</diskPersistent> <diskExpiryThreadIntervalSeconds>120</diskExpiryThreadIntervalSeconds> </cache:cache> |
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<cache:cache disable="true"/> |