xy2953396112 opened a new pull request, #3548:
URL: https://github.com/apache/celeborn/pull/3548
…k writes data
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### What changes were proposed in this pull request?
Initialize the `FSDataOutputStream` in the `DfsTierWriter`, use it for data
writing when the `HdfsFlushTask` performs flushing, and close the
`FSDataOutputStream` when executing `closeStreams`.
### Why are the changes needed?
Avoid allocating additional buffers When HdfsFlushTask writes data.
### Does this PR resolve a correctness bug?
NO
### Does this PR introduce _any_ user-facing change?
NO
### How was this patch tested?
CI
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