Jiangjie Qin created FLINK-16848:
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Summary: 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
Reporter: Jiangjie Qin
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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