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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HADOOP-13345) S3Guard: Improved Consistency for S3A
Date Wed, 17 May 2017 14:34:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16014122#comment-16014122
] 

Steve Loughran edited comment on HADOOP-13345 at 5/17/17 2:33 PM:
------------------------------------------------------------------

HADOOP-14432 adds tests and robustness for  {{copyFromLocalFile(false, true, dst, dst)}}.
tests will verify that s3guard doesn't cause regressions

(it does, BTW, but the tests will ensure it stays that way, as it adds the coverage)


was (Author: stevel@apache.org):
HADOOP-14432 adds tests and robustness for  {{copyFromLocalFile(false, true, dst, dst)}}.
tests will verify that s3guard doesn't cause regressions


> S3Guard: Improved Consistency for S3A
> -------------------------------------
>
>                 Key: HADOOP-13345
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13345
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs/s3
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>         Attachments: HADOOP-13345.prototype1.patch, s3c.001.patch, S3C-ConsistentListingonS3-Design.pdf,
S3GuardImprovedConsistencyforS3A.pdf, S3GuardImprovedConsistencyforS3AV2.pdf
>
>
> This issue proposes S3Guard, a new feature of S3A, to provide an option for a stronger
consistency model than what is currently offered.  The solution coordinates with a strongly
consistent external store to resolve inconsistencies caused by the S3 eventual consistency
model.



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