[infinispan-issues] [JBoss JIRA] (ISPN-3985) In BCHM traverse internal segments for parallel map/reduce execution

[William Burns (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-3985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13066635#comment-13066635 ] 

William Burns commented on ISPN-3985:
-------------------------------------

This appears to no longer be required with https://issues.jboss.org/browse/ISPN-3023 the new BoundedConcurrentHashMap implementation supports the proper forEach method that uses the fork join task stealing algorithms.  Although we may want to remove the now unneeded ParallelIterableMap interface.

> In BCHM traverse internal segments for parallel map/reduce execution
> --------------------------------------------------------------------
>
>                 Key: ISPN-3985
>                 URL: https://issues.jboss.org/browse/ISPN-3985
>             Project: Infinispan
>          Issue Type: Enhancement
>          Components: Core
>    Affects Versions: 7.0.0.Final
>            Reporter: Vladimir Blagojevic
>             Fix For: 8.0.0.Final
>
>
> Currently when BoundedConcurrentHashMap is used in DataContainer we split input keys and traverse key/value pairs in parallel using executor. That is all good, however, we should optimize this solution as each segment in BCHM is a separate map we can iterate over each segment in a separate thread rather than blindly splitting input keys.



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