Steve Loughran created HADOOP-19098:
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Summary: Vector IO: consistent specified rejection of overlapping
ranges
Key: HADOOP-19098
URL: https://issues.apache.org/jira/browse/HADOOP-19098
Project: Hadoop Common
Issue Type: Improvement
Components: fs, fs/s3
Affects Versions: 3.3.6
Reporter: Steve Loughran
Assignee: Steve Loughran
Related to PARQUET-2171 q: "how do you deal with overlapping ranges?"
I believe s3a rejects this, but the other impls may not.
Proposed
FS spec to say
* "overlap triggers IllegalArgumentException".
* special case: 0 byte ranges may be short circuited to return empty buffer
even without checking file length etc.
Contract tests to validate this
(+ common helper code to do this).
I'll copy the validation stuff into the parquet PR for consistency with older
releases
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