[infinispan-issues] [JBoss JIRA] (ISPN-2431) Default task failover policy enhancements

[Mircea Markus (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730420#comment-12730420 ] 

Mircea Markus commented on ISPN-2431:
-------------------------------------

[~vblagojevic] we should stick to the defaults that preserve 5.1 functionality.
                
> Default task failover policy enhancements
> -----------------------------------------
>
>                 Key: ISPN-2431
>                 URL: https://issues.jboss.org/browse/ISPN-2431
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Distributed Execution and Map/Reduce
>    Affects Versions: 5.2.0.Beta2
>            Reporter: Erik Salter
>            Assignee: Vladimir Blagojevic
>             Fix For: 5.2.0.CR1, 5.2.0.Final
>
>
> The new failover policy enhancements behave differently than the 5.1 release.  The default is a random failover, which causes problems in my environment due to pessimistic locks being acquired.  The default policy should be "none"
> Secondly, if a user specifies a key set, the failover policy should respect that.  Using pessimistic locks as an example, a valid optimization would be to submit on the local data owner to avoid additional RPCs.  A random node failover policy really doesn't fit in this case.

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