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From "Mit Desai (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6983) TestBalancer#testExitZeroOnSuccess fails intermittently
Date Tue, 02 Sep 2014 21:17:22 GMT
Mit Desai created HDFS-6983:
-------------------------------

             Summary: TestBalancer#testExitZeroOnSuccess fails intermittently
                 Key: HDFS-6983
                 URL: https://issues.apache.org/jira/browse/HDFS-6983
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.5.1
            Reporter: Mit Desai


TestBalancer#testExitZeroOnSuccess fails intermittently on branch-2. And probably fails on
trunk too.

The test fails 1 in 20 times when I ran it in a loop. Here is the how it fails.

{noformat}
org.apache.hadoop.hdfs.server.balancer.TestBalancer
testExitZeroOnSuccess(org.apache.hadoop.hdfs.server.balancer.TestBalancer)  Time elapsed:
53.965 sec  <<< ERROR!
java.util.concurrent.TimeoutException: Rebalancing expected avg utilization to become 0.2,
but on datanode 127.0.0.1:35502 it remains at 0.08 after more than 40000 msec.
	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.waitForBalancer(TestBalancer.java:321)
	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.runBalancerCli(TestBalancer.java:632)
	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.doTest(TestBalancer.java:549)
	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.doTest(TestBalancer.java:437)
	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.oneNodeTest(TestBalancer.java:645)
	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.testExitZeroOnSuccess(TestBalancer.java:845)


Results :

Tests in error: 
  TestBalancer.testExitZeroOnSuccess:845->oneNodeTest:645->doTest:437->doTest:549->runBalancerCli:632->waitForBalancer:321
Timeout
{noformat}



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