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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-2333) Hotspot in GridDhtPartitionTopologyImpl readLock() and readUnlock() methods
Date Tue, 05 Jan 2016 08:22:39 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-2333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082630#comment-15082630
] 

Vladimir Ozerov commented on IGNITE-2333:
-----------------------------------------

Attempted to replace RW lock with normal lock. Results are silly - PUT throughput is decreased
in several times. Probably we need to employ striped locking here.

> Hotspot in GridDhtPartitionTopologyImpl readLock() and readUnlock() methods
> ---------------------------------------------------------------------------
>
>                 Key: IGNITE-2333
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2333
>             Project: Ignite
>          Issue Type: Sub-task
>          Components: cache, general
>    Affects Versions: ignite-1.4
>            Reporter: Vladimir Ozerov
>             Fix For: 1.6
>
>
> When running simple PUT benchmark in ATOMIC cache, read lock-unlock consumes up to 10%
of time.



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