[infinispan-issues] [JBoss JIRA] (ISPN-4134) Make Cache.evict() a cluster-wide operation

[Dan Berindei (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-4134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12958764#comment-12958764 ] 

Dan Berindei commented on ISPN-4134:
------------------------------------

I guess making {{Cache.evict()}} cluster-wide would be a natural evolution of what we've been doing so far.

{{evict()}} now behaves more or less like a regular {{remove()}} that writes the entry to the cache instead of removing it (or just skips the cache store, if passivation is disabled).

But the javadoc hasn't changed a lot since the beginning of the project, and it paints a completely different picture:

{noformat}
* This method is designed to evict an entry from memory to free up memory used by the application.  This method uses
* a 0 lock acquisition timeout so it does not block in attempting to acquire locks.  It behaves as a no-op if the
* lock on the entry cannot be acquired <i>immediately</i>.
* <p/>
* Important: this method should not be called from within a transaction scope.
{noformat}
                
> Make Cache.evict() a cluster-wide operation
> -------------------------------------------
>
>                 Key: ISPN-4134
>                 URL: https://issues.jboss.org/browse/ISPN-4134
>             Project: Infinispan
>          Issue Type: Enhancement
>          Components: Eviction
>    Affects Versions: 6.0.2.Final
>            Reporter: Paul Ferraro
>            Assignee: Dan Berindei
>
> Personally, I have never fully understood why Cache.evict() is a local-only operation.
> If a user wants to perform a cluster-wide evict, they need to implement their own RPC mechanism in order to perform the eviction on each node.  Within WildFly, there are at least 2 use cases for such an operation.
> Why not instead make Cache.evict() a cluster-wide operation?  The existing (i.e. local-only) behavior can always achieved via:
> AdvancedCache.withFlags(Flag.CACHE_MODE_LOCAL).evict(...)

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