[infinispan-issues] [JBoss JIRA] Updated: (ISPN-861) Avoid writing to a shared CacheStore during rehash

[Manik Surtani (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manik Surtani updated ISPN-861:
-------------------------------

    Fix Version/s: 4.2.1.Final


Would be great if you have a unit test for this

> Avoid writing to a shared CacheStore during rehash
> --------------------------------------------------
>
>                 Key: ISPN-861
>                 URL: https://issues.jboss.org/browse/ISPN-861
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Loaders and Stores
>    Affects Versions: 4.1.0.Final, 4.2.0.Final
>            Reporter: Sanne Grinovero
>            Assignee: Manik Surtani
>             Fix For: 4.2.1.Final
>
>
> When a node receives new data as new owner during a rehash, it has to write this data to the underlying cachestore when each node has a different store, but it's actually writing to the store also in case the store is shared.
> This brings a small performance penalty, but also makes it possible for values which where originally stored using Flag.SKIP_STORE to be actually written to permanent store during a rehash.

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