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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13974) S3a CLI to support list/purge of pending multipart commits
Date Thu, 12 Oct 2017 20:38:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16202587#comment-16202587
] 

Steve Loughran commented on HADOOP-13974:
-----------------------------------------

Welcome as it is, I'd like to hold this off until we can get the HADOOP-13786 patch in; at
least into a branch we setup for the s3guard stuff.

Why? Not just because its related, but because the committer patch has the retry logic and
wraps all low-level s3 IO through S3AFS possibly via a now extracted WriteOperationsHelper
(which doesn't take a key anymore either). 

I don't want to add any more invocations of s3 which aren't resilient to transient failures,
throttling etc.



> S3a CLI to support list/purge of pending multipart commits
> ----------------------------------------------------------
>
>                 Key: HADOOP-13974
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13974
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.0.0-beta1
>            Reporter: Steve Loughran
>            Assignee: Aaron Fabbri
>         Attachments: HADOOP-13974.001.patch, HADOOP-13974.002.patch, HADOOP-13974.003.patch
>
>
> The S3A CLI will need to be able to list and delete pending multipart commits. 
> We can do the cleanup already via fs.s3a properties. The CLI will let scripts stat for
outstanding data (have a different exit code) and permit batch jobs to explicitly trigger
cleanups.
> This will become critical with the multipart committer, as there's a significantly higher
likelihood of commits remaining outstanding.
> We may also want to be able to enumerate/cancel all pending commits in the FS tree



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