ivandika3 opened a new pull request, #8197:
URL: https://github.com/apache/hadoop/pull/8197
### Description of PR
We found that AtomicFileOutputStream write is slow because the `write(byte
b[], int off, int len)` uses FilterOutputStream implementation which calls
write(byte b) for each byte.
We should override this API and forward it to the underlying OutputStream
instead.
### How was this patch tested?
Existing CI
### For code changes:
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- [ ] Object storage: have the integration tests been executed and the
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`NOTICE-binary` files?
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