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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5412) TestInjectionForSimulatedStorage oaccasionally fails on timeout
Date Thu, 05 Mar 2009 23:11:56 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12679416#action_12679416
] 

Hairong Kuang commented on HADOOP-5412:
---------------------------------------

I've run the test for 50 times back to back without hitting the infinite loop. Previously
I saw the loop before the 20th run.

> TestInjectionForSimulatedStorage oaccasionally fails on timeout
> ---------------------------------------------------------------
>
>                 Key: HADOOP-5412
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5412
>             Project: Hadoop Core
>          Issue Type: Bug
>    Affects Versions: 0.18.3
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.18.4
>
>         Attachments: simulatedLoop.patch
>
>
> Occasionally TestInjectionForSimulatedStorage falls into an infinite loop, waiting for
a block to reach its replication factor. The log repeatedly prints the following message:
> dfs.TestInjectionForSimulatedStorage (TestInjectionForSimulatedStorage.java:waitForBlockReplication(89))
- Not enough replicas for 2th block blk_6302924909504458109_1001 yet. Expecting 4, got 2.

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