manbuyun opened a new pull request #34304:
URL: https://github.com/apache/spark/pull/34304
### What changes were proposed in this pull request?
In the ShuffleBlockFetcherIterator.fetchHostLocalBlocks method, we generate
dirFetchRequests based on externalShuffleServiceEnabled. But in fact, the
MapStatus object generated in the shuffle write phase had already generated the
BlockManagerId object according to externalShuffleServiceEnabled in the
BlockManager.initialize method.
So we don't need to judge it again.
### Why are the changes needed?
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### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
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