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Posted to hdfs-issues@hadoop.apache.org by "Konstantin Shvachko (JIRA)" <ji...@apache.org> on 2015/01/13 10:01:36 UTC

[jira] [Resolved] (HDFS-7056) Snapshot support for truncate

     [ https://issues.apache.org/jira/browse/HDFS-7056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Konstantin Shvachko resolved HDFS-7056.
---------------------------------------
       Resolution: Fixed
    Fix Version/s: 3.0.0
     Hadoop Flags: Reviewed

I just committed this to trunk. Thank you Plamen.
Thanks everybody who contributed with reviews, comments, design, testing.

> 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
>             Fix For: 3.0.0
>
>         Attachments: HDFS-3107-HDFS-7056-combined-13.patch, HDFS-3107-HDFS-7056-combined-15.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-7056-13.patch, HDFS-7056-15.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, editsStored, editsStored.xml
>
>
> 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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