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https://issues.apache.org/jira/browse/HDFS-1808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13026291#comment-13026291
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Hudson commented on HDFS-1808:
------------------------------
Integrated in Hadoop-Hdfs-trunk #650 (See
[https://builds.apache.org/hudson/job/Hadoop-Hdfs-trunk/650/])
> TestBalancer waits forever, errs without giving information
> -----------------------------------------------------------
>
> Key: HDFS-1808
> URL: https://issues.apache.org/jira/browse/HDFS-1808
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: data-node, name-node
> Affects Versions: 0.22.0
> Reporter: Matt Foley
> Assignee: Matt Foley
> Fix For: 0.23.0
>
> Attachments: 1808_TestBalancer_v3.patch, 1808_TestBalancer_v4.patch,
> TestBalancer.java.patch
>
>
> In three locations in the code, TestBalancer waits forever on a condition.
> Failures result in Hudson/Jenkins "Timeout occurred" error message with no
> information about where or why. Need to replace with TimeoutExceptions that
> throw a stack trace and useful info about the failure mode.
> In waitForHeartBeat(), it is waiting on an exact match for a value that may
> be coarsely quantized -- i.e., significant deviation from the exact
> "expected" result may occur. Replace with an allowed range of result.
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