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Zhilong Hong commented on FLINK-21110:
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cc [~sewen] and [~trohrmann]
> Optimize Sc
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Till Rohrmann commented on FLINK-21110:
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Thanks a lot for analysing the bottleneck
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Zhu Zhu commented on FLINK-21110:
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[~Thesharing] It's better to open different JIRA tick
