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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3910) DFSTestUtil#waitReplication should timeout
Date Mon, 10 Sep 2012 17:39:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13452173#comment-13452173
] 

Eli Collins commented on HDFS-3910:
-----------------------------------

With this patch reproducing HDFS-3902 now yields a test failure with an explicit error message:

{noformat}
Tests run: 5, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 92.861 sec <<< FAILURE!
testBlockCorruptionPolicy(org.apache.hadoop.hdfs.TestDatanodeBlockScanner)  Time elapsed:
28.169 sec  <<< ERROR!
java.util.concurrent.TimeoutException: Timed out waiting for /tmp/testBlockVerification/file1
to reach 3 replicas
        at org.apache.hadoop.hdfs.DFSTestUtil.waitReplication(DFSTestUtil.java:534)
        at org.apache.hadoop.hdfs.TestDatanodeBlockScanner.testBlockCorruptionPolicy(TestDatanodeBlockScanner.java:219)
{noformat}
                
> DFSTestUtil#waitReplication should timeout
> ------------------------------------------
>
>                 Key: HDFS-3910
>                 URL: https://issues.apache.org/jira/browse/HDFS-3910
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>         Attachments: hdfs-3910.txt
>
>
> DFSTestUtil#waitReplication never times out so test execution fails only when the mvn
test executor times out. This leaves a stray test process around, an example is HDFS-3902.
Let's make waitReplication do something like bail after it has checked block locations 10
times for one file.

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