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https://issues.apache.org/jira/browse/HADOOP-13345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15468732#comment-15468732
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Chris Nauroth commented on HADOOP-13345:
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Yes, on further reflection, I agree that much of the aspects of policy that I
laid out earlier (and their corresponding JIRA sub-tasks) can be simplified.
Aaron's last 2 comments look like a step in the right direction. I suggest
that we proceed toward implementing what the design doc describes in "Policy C:
On-​Demand Source of Truth". A small number of properties like Aaron described
might influence the exact behavior. Beyond that, a more complex notion of
policy might turn out to be overkill. Some of those JIRA sub-tasks might just
get closed as invalid.
My immediate next step will be to review the work Aaron did on HADOOP-13448 in
my absence.
> 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-ConsistentListingonS3-Design.pdf, S3GuardImprovedConsistencyforS3A.pdf,
> S3GuardImprovedConsistencyforS3AV2.pdf, s3c.001.patch
>
>
> 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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