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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4259) Improve pipeline DN replacement failure message
Date Sun, 02 Dec 2012 20:47:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13508358#comment-13508358
] 

Harsh J commented on HDFS-4259:
-------------------------------

bq. -1 tests included. The patch doesn't appear to include any new or modified tests.
bq. Please justify why no new tests are needed for this patch.
bq. Also please list what manual steps were performed to verify this patch.

The patch merely changes an error message to make it more understandable for ops.
                
> Improve pipeline DN replacement failure message
> -----------------------------------------------
>
>                 Key: HDFS-4259
>                 URL: https://issues.apache.org/jira/browse/HDFS-4259
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs-client
>    Affects Versions: 2.0.2-alpha
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Minor
>         Attachments: HDFS-4259.patch
>
>
> The current message shown is something such as below:
> bq. Failed to add a datanode. User may turn off this feature by setting X.policy in configuration,
where the current policy is Y. (Nodes: current=\[foo\], original=\[bar\])
> This reads off like failing is a feature (but the intention and the reason we hit this
isn't indicated strongly), and can be bettered.

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