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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9460) Add additional diagnostic logging in DiskChecker::mkdirsWithExistsCheck()
Date Mon, 08 Apr 2013 17:05:16 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13625541#comment-13625541

Suresh Srinivas commented on HADOOP-9460:

Eugene, I agree that some additional debug logs would be helpful. However the existing patch
has too many debug logs, almost like code added during debug. A lot of the logs seems redundant.
Could you please remove the ones that are redundant and where possible consolidate multiple
logs into a single one.
> Add additional diagnostic logging in DiskChecker::mkdirsWithExistsCheck()
> -------------------------------------------------------------------------
>                 Key: HADOOP-9460
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9460
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>            Assignee: Eugene Koontz
>            Priority: Minor
>         Attachments: HDFS-4668.patch
> While working on debugging a job, I had some need to understand how mkdirsWithExistsCheck()
works. It's a bit complex so I added some logging statements at DEBUG level to understand
what was going on. I also added an ERROR-level message if a directory cannot be created.

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