GitHub user jinxing64 opened a pull request:
https://github.com/apache/spark/pull/18482
Stop sending 'stream request' when shuffle blocks.
## What changes were proposed in this pull request?
In current code, client will fetch the remote huge blocks to disk. It is
implemented by sending 'stream request', which needs server side
support(change). Thus it will break old shuffle service.
Instead of fetching the stream to disk, this pr proposes to convert chunk
to `FileSegmentManagedBuffer`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jinxing64/spark SPARK-21262
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18482.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #18482
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