Steve Loughran created HADOOP-18189:
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Summary: S3PrefetchingInputStream to support status probes when
closed
Key: HADOOP-18189
URL: https://issues.apache.org/jira/browse/HADOOP-18189
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Affects Versions: 3.4.0
Reporter: Steve Loughran
S3PrefetchingInputStream is a bit over aggressive on raising
exceptions/downgrading responses after a stream is closed
* MUST: getPos() to return last read location, or a least 0 (maybe we should
add this to filesystem spec)
* MUST: getIOStatistics(). critical for collecting stats in processes
* MUST: seekToNewSource() (it's a no op anyway)
* MAY S3AInputStreamStatistics and getStreamStatistics() though that is only in
used in testing...ioStatistics have given us a stable stats api. we may want to
tag the method @VisibleForTesting to discourage use.
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