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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HDFS-13959) TestUpgradeDomainBlockPlacementPolicy is flaky
Date Fri, 26 Oct 2018 16:29:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16665381#comment-16665381
] 

Íñigo Goiri commented on HDFS-13959:
------------------------------------

The failed unit tests for  [^HDFS-13959-03.patch] is unrelated.
First time I see this happening too.
+1 on  [^HDFS-13959-03.patch].
Committing.

> TestUpgradeDomainBlockPlacementPolicy is flaky
> ----------------------------------------------
>
>                 Key: HDFS-13959
>                 URL: https://issues.apache.org/jira/browse/HDFS-13959
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Ayush Saxena
>            Assignee: Ayush Saxena
>            Priority: Major
>         Attachments: HDFS-13959-01.patch, HDFS-13959-02.patch, HDFS-13959-03.patch
>
>
> The procedure followed for rack mapping is ambiguous.
> Due to same host name the mapping of nodes to rack was not as per our requirement.
> In slower systems all nodes gets mapped to the latter rack2 and in little fast system
one node gets mapped to rack1. Thus leading to test failure since now the rack fault tolerance
comes into existence.Which can not be satisfied by this ambiguous mapping. 



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