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From "kanaka kumar avvaru (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8658) Improve retry attempt log in DFSOutputStream#completeFile with current attempt number
Date Thu, 25 Jun 2015 05:43:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14600728#comment-14600728
] 

kanaka kumar avvaru commented on HDFS-8658:
-------------------------------------------

New test cases are not required as the patch adds/modifies only log messages. Test failures
in the build are not related to this patch.

> Improve retry attempt log in DFSOutputStream#completeFile  with current attempt number
> --------------------------------------------------------------------------------------
>
>                 Key: HDFS-8658
>                 URL: https://issues.apache.org/jira/browse/HDFS-8658
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: kanaka kumar avvaru
>            Assignee: kanaka kumar avvaru
>            Priority: Minor
>         Attachments: HDFS-8658-00.patch
>
>
> In a scenario when block update was delayed from DN to NN, following client log is observed
which is confusing that file close failed after two attempts but it tried 5 times actually.
So, it's better to log the current and remaining attempt counts.
> {code}
> 15/06/23 17:05:10 INFO hdfs.DFSClient: Could not complete /write2/tst5484._COPYING_ retrying...
> 15/06/23 17:05:16 INFO hdfs.DFSClient: Could not complete /write2/tst5484._COPYING_ retrying...
> copyFromLocal: Unable to close file because the last block does not have enough number
of replicas.
> {code}



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