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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5327) Job files for a job failing because of ACLs are not clean from the system directory
Date Fri, 06 Mar 2009 09:25:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12679539#action_12679539
] 

Hemanth Yamijala commented on HADOOP-5327:
------------------------------------------

Few comments:

- There's an import of a LoginException in JobTracker, which is not required.
- I feel it would be better to overload checkAccess to have an additional parameter UGI. This
is because both modes (with and without UGI) are still valid and hence it would be more convenient
and fewer changes to code if we can create the overloaded API.
- Can you please correct the comment on checkAccess, to remove references to ownerAllowed,
as it is no longer used. This is not introduced in this patch, but since you are modifying
the comment, it may make sense to correct this as well.
- In the test cases, why is dfs.permissions set to false ? Is it because the credentials of
the new job (with invalid ACLs) is being submitted as a different user and hence there will
be problems to write to dfs ? Does this happen, even though you are not using the MiniDFSCluster
?
- A general question is about whether any cleanup is required for the job which fails ACLs.
For instance, should we delete the job folder in the system directory, delete the history
files etc ? I am not sure if it is required. Any thoughts ?

> Job files for a job failing because of  ACLs are not clean from the system directory
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5327
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5327
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: Karam Singh
>            Assignee: Amar Kamat
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: HADOOP-5327-v2.3.patch
>
>
> Jobs which failed because of ACLs gets added during JT restart recovery 

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