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[ISSUE-154][Improvement] Support Empty assignment to Shuffle Server#325
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roryqi
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Nov 16, 2022
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LGTM, it's awesome work. It really makes Uniffle better. We really appreciate that you can follow through the issues and raise a fix pr.
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What changes were proposed in this pull request?
Follow issue#154, When the RDD is Empty, partitionNum is 0, return the empty RssShuffleHandle directly
Why are the changes needed?
If the requested shuffle Server is 0, there is no need to request a coodinator.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
UT