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https://issues.apache.org/jira/browse/HADOOP-7298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13035202#comment-13035202
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Todd Lipcon commented on HADOOP-7298:
-------------------------------------
The HBase class lives here:
http://svn.apache.org/repos/asf/hbase/trunk/src/test/java/org/apache/hadoop/hbase/MultithreadedTestUtil.java
For an example usage, see testLABThreading in the following test:
http://svn.apache.org/repos/asf/hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestMemStoreLAB.java
> Add test utility for writing multi-threaded tests
> -------------------------------------------------
>
> Key: HADOOP-7298
> URL: https://issues.apache.org/jira/browse/HADOOP-7298
> Project: Hadoop Common
> Issue Type: Test
> Components: test
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.22.0
>
>
> A lot of our tests spawn off multiple threads in order to check various
> synchronization issues, etc. It's often tedious to write these kinds of tests
> because you have to manually propagate exceptions back to the main thread,
> etc.
> In HBase we have developed a testing utility which makes writing these kinds
> of tests much easier. I'd like to copy that utility into Hadoop so we can use
> it here as well.
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