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Posted to issues@ignite.apache.org by "Dmitriy Pavlov (JIRA)" <ji...@apache.org> on 2018/05/03 10:14:00 UTC

[jira] [Commented] (IGNITE-7986) GridPartitionStateMap.entrySet() optimization.

    [ https://issues.apache.org/jira/browse/IGNITE-7986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16462243#comment-16462243 ] 

Dmitriy Pavlov commented on IGNITE-7986:
----------------------------------------

TC seems to be OK, need to review change itself.

> GridPartitionStateMap.entrySet() optimization.
> ----------------------------------------------
>
>                 Key: IGNITE-7986
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7986
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Vitaliy Biryukov
>            Assignee: Vitaliy Biryukov
>            Priority: Major
>             Fix For: 2.6
>
>         Attachments: GridPartitionStateMapBench.java, fullResult.txt
>
>
> GridPartitionStateMap based on BitSet. And the size of a BitSet depends on the maximum key element, and not on the number of elements. 
> Just using the "BitSet.nextSetBit" method, will improve the performance of the iterator for big clusters or caches with a large number of partitions.



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