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From "Bryan Duxbury (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-410) Speed up the test suite
Date Tue, 05 Feb 2008 19:33:07 GMT
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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