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Posted to common-dev@hadoop.apache.org by "Raghu Angadi (JIRA)" <ji...@apache.org> on 2009/01/17 00:57:59 UTC

[jira] Resolved: (HADOOP-4997) workaround for tmp file handling on DataNodes in 0.18 (HADOOP-4663)

     [ https://issues.apache.org/jira/browse/HADOOP-4997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Raghu Angadi resolved HADOOP-4997.
----------------------------------

      Resolution: Fixed
    Release Note: Revert tmp files handling on DataNodes back to 0.17. sync() introduced in 0.18 has less gaurantees.
    Hadoop Flags: [Incompatible change]

I just committed this to 0.18 only.

> workaround for tmp file handling on DataNodes in 0.18 (HADOOP-4663)
> -------------------------------------------------------------------
>
>                 Key: HADOOP-4997
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4997
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.18.0
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>            Priority: Blocker
>             Fix For: 0.18.3
>
>         Attachments: deleteTmp-0.18.patch, HADOOP-4997-branch-18.patch
>
>
> This is a temporary work around issues discussed in HADOOP-4663. 
> The proposal is to remove all the files under tmp directory, thus bringing the behavior back to 0.17. The main cost is that sync() will not be supported. This is incompatible with 0.18.x, but not with 0.17 because of this reason.

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