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From "Andy Isaacson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3910) DFSTestUtil#waitReplication should timeout
Date Mon, 10 Sep 2012 23:16:08 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13452559#comment-13452559
] 

Andy Isaacson commented on HDFS-3910:
-------------------------------------

{code}
         if (hostnames.length != replFactor) {
+          sufficientReplicas = false;
+          System.out.println("Block " + j + " of file " + fileName
               + " has replication factor " + hostnames.length + "; locations "
+              + Joiner.on(' ').join(hostnames));
{code}
(slightly reformatted for readability)

This println should also log the value of {{replFactor}}, something like
{code}
               + " has replication factor " + hostnames.length + " (desired " + replFactor
+ "); locations "
{code}
                
> 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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