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Posted to issues@uniffle.apache.org by GitBox <gi...@apache.org> on 2022/11/11 06:15:50 UTC
[GitHub] [incubator-uniffle] leixm commented on pull request #307: [ISSUE-135][FOLLOWUP][Improvement][AQE] Assign adjacent partitions to the same ShuffleServer
leixm commented on PR #307:
URL: https://github.com/apache/incubator-uniffle/pull/307#issuecomment-1311273243
> > > We can read the executor configuration of spark through configuration, but the actual app running process may not be able to allocate so many resources.
> >
> >
> > If we use dynamic allocation, we can't know the number of executors. So I think we can give a configuration first, user can set that value. Similarly ByteDance Shuffle Service give the concurrency tasks through an experience formula, you can see https://github.com/bytedance/CloudShuffleService/blob/ef0ffb3f43f9f6e96af49629aed2a6ce61a6a2ab/spark-shuffle-manager-2/src/main/scala/org/apache/spark/shuffle/css/CssShuffleManager.scala#L64
>
> Yes. This optimization has been applied in our internal uniffle, it works well.
Maybe we can apply this feature to our community and estimate the number of ShuffleServers needed according to the number of concurrent tasks.
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