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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1456) TestDecommission fails with assertion Number of replicas for block1 expected:<3> but was:<2>
Date Mon, 04 Jun 2007 17:02:47 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur updated HADOOP-1456:
-------------------------------------

    Status: Patch Available  (was: Open)

> TestDecommission fails with assertion  Number of replicas for block1 expected:<3>
but was:<2>
> ---------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1456
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1456
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: testDecommission1456.patch
>
>
> TestDecommission fails sometimes with the following assertion:
> junit.framework.AssertionFailedError: Number of replicas for block1 expected:<3>
but was:<2>
> 	at org.apache.hadoop.dfs.TestDecommission.checkFile(TestDecommission.java:89)
> 	at org.apache.hadoop.dfs.TestDecommission.testDecommission(TestDecommission.java:285)
> More logs here: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/231/testReport/org.apache.hadoop.dfs/TestDecommission/testDecommission/
> This test creates a file with target replication factor of 3. Then it verifies that the
file actually has a replciation of 3. I think the test should set "dfs.replication.considerLoad"
to false before starting the test so that the namenode ignores the load on datanodes while
allocating replicas. This is the approach folowed by TestReplication.

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