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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-16313) multipart/huge file upload tests to look at checksums returned
Date Wed, 15 May 2019 09:49:00 GMT
Steve Loughran created HADOOP-16313:
---------------------------------------

             Summary: 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


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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