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From "Aaron Fabbri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13760) S3Guard: add delete tracking
Date Fri, 21 Apr 2017 00:34:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15977859#comment-15977859
] 

Aaron Fabbri commented on HADOOP-13760:
---------------------------------------

Thanks for the patch [~mackrorysd].  I will try to get you some feedback by EOD Friday.

> S3Guard: add delete tracking
> ----------------------------
>
>                 Key: HADOOP-13760
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13760
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>            Reporter: Aaron Fabbri
>            Assignee: Sean Mackrory
>         Attachments: HADOOP-13760-HADOOP-13345.001.patch
>
>
> Following the S3AFileSystem integration patch in HADOOP-13651, we need to add delete
tracking.
> Current behavior on delete is to remove the metadata from the MetadataStore.  To make
deletes consistent, we need to add a {{isDeleted}} flag to {{PathMetadata}} and check it when
returning results from functions like {{getFileStatus()}} and {{listStatus()}}.  In HADOOP-13651,
I added TODO comments in most of the places these new conditions are needed.  The work does
not look too bad.



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