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https://issues.apache.org/jira/browse/HADOOP-16313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-16313:
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Parent: HADOOP-18067 (was: HADOOP-17566)
> multipart/huge file upload tests to look at checksums returned
> --------------------------------------------------------------
>
> Key: HADOOP-16313
> URL: https://issues.apache.org/jira/browse/HADOOP-16313
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3, test
> Affects Versions: 3.2.0
> Reporter: Steve Loughran
> Priority: Major
>
> Apparently some third party S3-API object stores have empty etags for
> multipart uploads.
> We don't have any tests to explore this (just small file uploads).
> Proposed
> *set {{fs.s3a.etag.checksum.enabled"}} before huge file, MPU and committer
> tests
> * warn (fail?) if nothing comes back.
> If true, it means that the store isn't going to be detect changes to a large
> file during copy/read
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