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16.3. Shared Cache Loaders

A shared cache loader is a cache loader that is shared by multiple cache instances.
A cache loader is useful when all instances in a cluster communicate with the same remote, shared database using the same JDBC settings. In such an instance, configuring a shared cache loader prevents the unnecessary repeated write operations that occur when various cache instances attempt to write the same data to the cache loader.
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16.3.1. Enable Shared Cache Loaders
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Library Mode

In Red Hat JBoss Data Grid's Library mode, toggle cache loader sharing using the shared parameter within the loader element. This parameter is set to FALSE as a default. Enable cache loader sharing by setting the shared parameter to TRUE.

Remote Client-Server Mode

In JBoss Data Grid's Remote Client-Server mode, toggle cache loader sharing using the shared parameter within the store element. This parameter is set to FALSE as a default. Enable cache loader sharing by setting the shared parameter to TRUE. For example: 

<jdbc-store shared="true">
...
</jdbc-store>
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