xintongsong commented on issue #9106: [FLINK-13184][yarn] Support launching task executors with multi-thread on YARN. URL: https://github.com/apache/flink/pull/9106#issuecomment-533941818 Thanks for the review, @walterddr. Till has suggested that instead of maintaining a thread pool in Flink, we may simply leverage Yarn `NMClientAsync` (currently we are using `NMClient`) for starting new task executors. And I tend to agree with him. I'll try do some investigation along this direction (and maybe some POC). WDYT?
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