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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1047) TestReplication fails because DFS does not guarantee all the replicas are placed when a file is closed
Date Thu, 08 Mar 2007 17:34:24 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HADOOP-1047:
----------------------------------

        Fix Version/s: 0.13.0
    Affects Version/s:     (was: 0.11.2)
                       0.12.0
               Status: Patch Available  (was: Open)

I had ran TestReplication using the trunk plus this patch and the HADOOP-1063 patch for 50
iterations without any failure under both redhat & cygwin.

> TestReplication fails because DFS does not guarantee all the replicas are placed when
a file is closed
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1047
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1047
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.12.0
>            Reporter: Hairong Kuang
>         Assigned To: Hairong Kuang
>             Fix For: 0.13.0
>
>         Attachments: testReplication.patch
>
>
> TestReplication asserts that the number of replicas that a file has is equal to its replication
factor immediately after a file is closed. But DFS only guarantees  the minimun number of
replicas is placed when a file is closed. This leads to occasional failure of TestReplication.

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