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From "Matt Foley (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-1808) TestBalancer waits forever, errs without giving information
Date Tue, 05 Apr 2011 21:41:06 GMT
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

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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