You are viewing a plain text version of this content. The canonical link for it is here.
Posted to mapreduce-issues@hadoop.apache.org by "Sharad Agarwal (JIRA)" <ji...@apache.org> on 2009/11/24 06:36:39 UTC
[jira] Commented: (MAPREDUCE-896) Users can set non-writable
permissions on temporary files for TT and can abuse disk usage.
[ https://issues.apache.org/jira/browse/MAPREDUCE-896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12781783#action_12781783 ]
Sharad Agarwal commented on MAPREDUCE-896:
------------------------------------------
sigh! the patch has got stale. Can you pl update it ?
> Users can set non-writable permissions on temporary files for TT and can abuse disk usage.
> ------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-896
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-896
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.21.0
> Reporter: Vinod K V
> Assignee: Ravi Gummadi
> Fix For: 0.21.0
>
> Attachments: MR-896.patch
>
>
> As of now, irrespective of the TaskController in use, TT itself does a full delete on local files created by itself or job tasks. This step, depending upon TT's umask and the permissions set by files by the user, for e.g in job-work/task-work or child.tmp directories, may or may not go through successful completion fully. Thus is left an opportunity for abusing disk space usage either accidentally or intentionally by TT/users.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.