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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13560) S3A to support huge file writes and operations -with tests
Date Thu, 01 Sep 2016 14:27:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15455557#comment-15455557
] 

Steve Loughran commented on HADOOP-13560:
-----------------------------------------

This is a (potentially transient) failure trying to commit the operation. This could be pretty
dramatic when trying to commit a large file: better to have a retry policy. Going for a hard-coded
{{retryUpToMaximumCountWithProportionalSleep}} policy initially. We may need to determine
what if any error code there is for unknown/already completed upload, and not retry on those,
instead treatng them as a sign the operation previously completed.

Also: do the same for abort()

> S3A to support huge file writes and operations -with tests
> ----------------------------------------------------------
>
>                 Key: HADOOP-13560
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13560
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.9.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>
> An AWS SDK [issue|https://github.com/aws/aws-sdk-java/issues/367] highlights that metadata
isn't copied on large copies.
> 1. Add a test to do that large copy/rname and verify that the copy really works
> 1. Verify that metadata makes it over.
> Verifying large file rename is important on its own, as it is needed for very large commit
operations for committers using rename



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