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https://issues.apache.org/jira/browse/IGNITE-5364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16066775#comment-16066775
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ASF GitHub Bot commented on IGNITE-5364:
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Github user mcherkasov closed the pull request at:
https://github.com/apache/ignite/pull/2053
> Remove contention on DataStructure creation or removing
> -------------------------------------------------------
>
> Key: IGNITE-5364
> URL: https://issues.apache.org/jira/browse/IGNITE-5364
> Project: Ignite
> Issue Type: Improvement
> Components: cache
> Reporter: Mikhail Cherkasov
> Assignee: Mikhail Cherkasov
> Labels: important
> Fix For: 2.1
>
>
> All DSs are stored in one Map which itself is stored in utilityCache, this
> makes high contention on DS creation or removing, it requires lock on the key
> and manipulation with the Map under the lock. So all threads in cluster
> should wait for this lock to create or remove DS.
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