[infinispan-issues] [JBoss JIRA] (ISPN-2932) Verify that preloading a read only index in a cache will never hit the cacheloader

[Sanne Grinovero (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12762107#comment-12762107 ] 

Sanne Grinovero commented on ISPN-2932:
---------------------------------------

> what if a key that is not present in the cache is looked up?

If preload=true they are all loaded in the cache, why should it not be there?
                
> Verify that preloading a read only index in a cache will never hit the cacheloader
> ----------------------------------------------------------------------------------
>
>                 Key: ISPN-2932
>                 URL: https://issues.jboss.org/browse/ISPN-2932
>             Project: Infinispan
>          Issue Type: Task
>          Components: Lucene Directory
>            Reporter: Sanne Grinovero
>            Assignee: Sanne Grinovero
>             Fix For: 5.3.0.Alpha1, 5.3.0.Final
>
>
> With a warm cache (with no eviction) we should never need to hit the CacheLoader again.
> Was reported - specifically with DIST on multiple nodes - that occasionall IO is triggered; we should add tests to verify this doesn't happen (or to understand why it should)
> I'm suspecting demand of null valued entries.

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