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https://issues.apache.org/jira/browse/HBASE-410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573990#action_12573990
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Bryan Duxbury commented on HBASE-410:
-------------------------------------
Here's a listing i produced of tests sorted by how long each takes to run. I've
omitted everything < 10 seconds.
||Run Time (secs)||Test File||Test Name||
|161.47|TestLogRolling|testLogRolling|
|85.33|TestTableMapReduce|testTableMapReduce|
|73.619|TestTableIndex|testTableIndex|
|52.378|TestHBaseCluster|testHBaseCluster|
|43.476|TestHQL|testCreateDeleteTable|
|43.366|TestMergeMeta|testMergeMeta|
|42.389|TestMasterAdmin|testMasterAdmin|
|34.616|TestMergeTable|testMergeTable|
|27.572|TestTable|testCreateTable|
|26.492|TestListTables|testListTables|
|23.499|TestHTable|testHTable|
|22.62|TestHQL|testInsertSelectDelete|
|18.821|TestBloomFilters|testExplicitParameters|
|18.621|TestTable|testTableNameClash|
|17.615|TestBloomFilters|testComputedParameters|
|17.481|TestInfoServers|testInfoServersAreUp|
|16.543|TestMigrate|testUpgrade|
|16.54|TestScannerAPI|testApi|
|16.519|TestBatchUpdate|testBatchUpdate|
|16.515|TestMultipleUpdates|testMultipleUpdates|
|15.629|TestHTable|testTableNotFoundExceptionWithATable|
|15.427|TestSplit|testBasicSplit|
|14.375|TestCompaction|testCompaction|
|12.608|TestTimestamp|testTimestamps|
|11.552|TestDeleteAll|testDeleteAll|
|11.539|TestTimestamp|testDelete|
> 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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