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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7056) Snapshot support for truncate
Date Fri, 19 Dec 2014 00:56:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14252688#comment-14252688
] 

Hadoop QA commented on HDFS-7056:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12688200/HDFS-3107-HDFS-7056-combined.patch
  against trunk revision efe6357.

    {color:red}-1 patch{color}.  Trunk compilation may be broken.

Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9086//console

This message is automatically generated.

> Snapshot support for truncate
> -----------------------------
>
>                 Key: HDFS-7056
>                 URL: https://issues.apache.org/jira/browse/HDFS-7056
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: 3.0.0
>            Reporter: Konstantin Shvachko
>            Assignee: Plamen Jeliazkov
>         Attachments: HDFS-3107-HDFS-7056-combined.patch, HDFS-3107-HDFS-7056-combined.patch,
HDFS-3107-HDFS-7056-combined.patch, HDFS-3107-HDFS-7056-combined.patch, HDFS-3107-HDFS-7056-combined.patch,
HDFS-3107-HDFS-7056-combined.patch, HDFS-3107-HDFS-7056-combined.patch, HDFS-3107-HDFS-7056-combined.patch,
HDFS-3107-HDFS-7056-combined.patch, HDFS-3107-HDFS-7056-combined.patch, HDFS-7056.patch, HDFS-7056.patch,
HDFS-7056.patch, HDFS-7056.patch, HDFS-7056.patch, HDFS-7056.patch, HDFS-7056.patch, HDFS-7056.patch,
HDFSSnapshotWithTruncateDesign.docx
>
>
> Implementation of truncate in HDFS-3107 does not allow truncating files which are in
a snapshot. It is desirable to be able to truncate and still keep the old file state of the
file in the snapshot.



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