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https://issues.apache.org/jira/browse/HADOOP-6248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756244#action_12756244
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Alex Loddengaard commented on HADOOP-6248:
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{quote}This is not ready to commit. It may be useful at somepoint, but there is
currently no value there. It is hard to evaluate what you are trying to
accomplish, since this is just an empty shell. There needs to be substantial
added value over the current distribution to be worth including a patch in our
code base.{quote}
Thanks for the feedback, Owen. My game plan is to use Circus to write some
interesting system tests that aren't currently in Hadoop's test plan.
Hopefully then I'll have added good value, both from the tests themselves, but
also from the framework. I expect to tackle testing distcp across different
versions of Hadoop and HDFS upgrades. I'd appreciate your input on other
interesting tests I could write.
{quote}Please review the MiniMRCluster and MiniHDFSCluster. We already have a
lot of system tests.{quote}
What I like about Circus is that it uses the shell scripts, which currently
don't get tested at all. I also think that Circus is more usable than these
Java classes for people that aren't familiar with the Hadoop code base.
Again, thanks for your feedback. Stay tuned.
> Circus: Proposal and Preliminary Code for a Hadoop System Testing Framework
> ---------------------------------------------------------------------------
>
> Key: HADOOP-6248
> URL: https://issues.apache.org/jira/browse/HADOOP-6248
> Project: Hadoop Common
> Issue Type: New Feature
> Components: test
> Environment: Python, bash
> Reporter: Alex Loddengaard
> Attachments: HADOOP-6248.diff, HADOOP-6248_v2.diff,
> HADOOP-6248_v3.diff
>
>
> This issue contains a proposal and preliminary source code for Circus, a
> Hadoop system testing framework. At a high level, Circus will help Hadoop
> users and QA engineers to run system tests on a configurable Hadoop cluster,
> or distribution of Hadoop. See the comment below for the proposal itself.
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