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From "Nicolas Spiegelberg (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1243) 0.20 append: Replication tests in TestFileAppend4 should not expect immediate replication
Date Mon, 26 Jul 2010 18:19:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892401#action_12892401
] 

Nicolas Spiegelberg commented on HDFS-1243:
-------------------------------------------

+1 was seeing the same problem in our daily builds and independently made a similar fix

> 0.20 append: Replication tests in TestFileAppend4 should not expect immediate replication
> -----------------------------------------------------------------------------------------
>
>                 Key: HDFS-1243
>                 URL: https://issues.apache.org/jira/browse/HDFS-1243
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>    Affects Versions: 0.20-append
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>             Fix For: 0.20-append
>
>         Attachments: hdfs-1243.txt
>
>
> The replicationTest() cases in TestFileAppend4 currently assume that the file has both
valid replicas immediately after completing the file. However, the datanodes may take some
milliseconds to report the replica - we should only expect 1 replica (fs.replication.min)
immediately after close, and we should allow up to a second or so before asserting that we
reach replication 2.

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