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https://issues.apache.org/jira/browse/KAFKA-1258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898861#comment-13898861
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Sriram Subramanian commented on KAFKA-1258:
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Look into http://junit.org/javadoc/4.9/org/junit/rules/TemporaryFolder.html.
Helps to manage temp folders in junit. It may be supported only in java 7.
> Delete temporary data directory after unit test finishes
> --------------------------------------------------------
>
> Key: KAFKA-1258
> URL: https://issues.apache.org/jira/browse/KAFKA-1258
> Project: Kafka
> Issue Type: Bug
> Reporter: Guozhang Wang
> Fix For: 0.9.0
>
>
> Today in unit testsuite most of the time when a test case is setup a
> temporary directory will be created with a random int as suffix, and will not
> be deleted after the test. After a few unit tests this will create tons of
> directories in java.io.tmpdir (/tmp for Linux). Would be better to remove
> them for clean unit tests.
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