virajjasani commented on PR #4796:
URL: https://github.com/apache/hadoop/pull/4796#issuecomment-1226578101
@steveloughran i also tested the entire test suite by enabling prefatch.
Tests in `ITestS3AContractVectoredRead` failed. One example:
```
[ERROR] testMinSeekAndMaxSizeDefaultValues[Buffer type :
direct](org.apache.hadoop.fs.contract.s3a.ITestS3AContractVectoredRead) Time
elapsed: 13.025 s <<< FAILURE!
org.junit.ComparisonFailure: [Mismatch in default s3a min seek for vectored
reads] expected:<4[8]96> but was:<4[0]96>
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at org.apache.hadoop.test.MoreAsserts.assertEqual(MoreAsserts.java:99)
at
org.apache.hadoop.fs.contract.s3a.ITestS3AContractVectoredRead.testMinSeekAndMaxSizeDefaultValues(ITestS3AContractVectoredRead.java:111)
```
However, the failures don't seem relevant to the change on this PR. As per
the test logic, it seems`ITestS3AContractVectoredRead` failures are expected
when prefetch is enabled.
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