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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9574) Reduce client failures during datanode restart
Date Mon, 21 Dec 2015 14:21:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15066489#comment-15066489
] 

Kihwal Lee commented on HDFS-9574:
----------------------------------

This precommit (#13934) and #13935 for HDFS-7163 ran on H9 at the same time, causing both
to run for over 5 hours and failing many tests due to internal timeout.
[~aw], do you think we can configure jenkins to avoid this? Since HDFS tests are run in parallel,
concurrent hdfs builds are worse than before.

> Reduce client failures during datanode restart
> ----------------------------------------------
>
>                 Key: HDFS-9574
>                 URL: https://issues.apache.org/jira/browse/HDFS-9574
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>         Attachments: HDFS-9574.patch, HDFS-9574.v2.patch
>
>
> Since DataXceiverServer is initialized before BP is fully up, client requests will fail
until the datanode registers.



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