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Date: Wed, 6 Feb 2008 22:59:08 -0800 (PST)
From: "Bryan Duxbury (JIRA)" <jira@apache.org>
To: hbase-dev@hadoop.apache.org
Subject: [jira] Commented: (HBASE-410) Speed up the test suite
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    [ https://issues.apache.org/jira/browse/HBASE-410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12566475#action_12566475 ] 

Bryan Duxbury commented on HBASE-410:
-------------------------------------

I did some limited testing with local filesystem, and it made literally no difference in the speed of TestBatchUpdate or TestBloomFilters. 

> Speed up the test suite
> -----------------------
>
>                 Key: HBASE-410
>                 URL: https://issues.apache.org/jira/browse/HBASE-410
>             Project: Hadoop HBase
>          Issue Type: Test
>          Components: test
>            Reporter: Bryan Duxbury
>            Priority: Minor
>             Fix For: 0.2.0
>
>
> The test suite takes a long time to run, and a lot of the time spent running is really wasted on repeated startup and shutdown, waiting for asynchronous events to occur, and production-tuned timeouts to occur. Additionally, we use a MiniDFS instead of the local filesystem. 
> We should:
>  - Make whatever changes are needed to the local DFS so that it can run on Windows and use that as the basis of all of our tests
>  - Minimize redoing expensive setup where possible by combining tests into groups or suites that can share common setup
>  - Create a way of running all the parts (Master, Regionserver, Client) in a single thread and explicitly advancing through necessary states so that we can reliably and quickly get what we need tested accomplished
>  - Use smaller test datasets where it would make a difference (TestTableIndex and TestTableMapReduce, I'm looking at you!)
> A faster test suite means faster turnaround on new patches, faster Hudson, and a shorter patch queue. Not to mention less annoyance on the part of the developers.

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