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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8258) Make mapreduce tests pass on hadoop2
Date Thu, 04 Apr 2013 00:13:15 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13621559#comment-13621559
] 

Jonathan Hsieh commented on HBASE-8258:
---------------------------------------

builds.apache.org's attempts [1] have been fairly flakey in general recently for tests that
are generally fail due to interference from other processes / unit test suites. 

>From an recent runs on "beefy" physical hardware, I see these test cases failing regularly:

{code}
org.apache.hadoop.hbase.mapreduce.TestImportExport.testSimpleCase
org.apache.hadoop.hbase.mapreduce.TestImportExport.testMetaExport
org.apache.hadoop.hbase.mapreduce.TestImportExport.testExportScannerBatching
org.apache.hadoop.hbase.mapreduce.TestImportExport.testWithFilter
org.apache.hadoop.hbase.mapreduce.TestImportExport.testWithDeletes
org.apache.hadoop.hbase.mapreduce.TestRowCounter.testRowCounterNoColumn
org.apache.hadoop.hbase.mapreduce.TestRowCounter.testRowCounterHiddenColumn
org.apache.hadoop.hbase.mapreduce.TestRowCounter.testRowCounterExclusiveColumn
{code}

TestImportExport seems flakey (50:50) while TestRowCounter seems to failed consistently for
while.

[1] https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0
                
> Make mapreduce tests pass on hadoop2
> ------------------------------------
>
>                 Key: HBASE-8258
>                 URL: https://issues.apache.org/jira/browse/HBASE-8258
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 0.95.1
>
>
> HBASE-7904 was a first attempt at making this work but it got lost in the weeds.
> This is a new attempt at making hbase mapreduce jobs run on hadoop2 (w/o breaking mapreduce
on hadoop1)

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