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https://issues.apache.org/jira/browse/FLINK-16848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17226440#comment-17226440
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Jiangjie Qin commented on FLINK-16848:
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Sure. Closing the ticket.
> Improve the performance of the RecordsWithSplitIds queue.
> ---------------------------------------------------------
>
> Key: FLINK-16848
> URL: https://issues.apache.org/jira/browse/FLINK-16848
> Project: Flink
> Issue Type: Sub-task
> Components: API / DataStream
> Reporter: Jiangjie Qin
> Assignee: Jiangjie Qin
> Priority: Major
>
> Currently there is just one queue in the SourceReader which may become a
> performance bottleneck due to lock contention when there are many
> SplitFetcher threads. This ticket is supposed to improve the performance.
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