[
https://issues.apache.org/jira/browse/HBASE-8326?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Nick Dimiduk updated HBASE-8326:
--------------------------------
Attachment: HBASE-8326-reuse-jars-trunk-v0.patch
HBASE-8326-reuse-jars-0.94-v0.patch
Appease the elder god Surefire.
TableMapReduceUtil#addDependencyJars now maintains a cache of class name to
jar. The cache is populated from the entries of jar files created by JarFinder.
That way, when multiple classes from the same jar are requested, that jar will
not be reproduced. This reduces the overall IO and clock-on-the-wall time
necessary for launching a MapReduce job that interacts with HBase.
Also breaks TestTableInputFormatScan into two pieces so as to avoid tripping
the 900 second test timeout.
Local runs now complete consistently in less than 400 seconds per test, which
should increase over-all test stability.
{noformat}
Running org.apache.hadoop.hbase.mapreduce.TestTableInputFormatScan1
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 356.262 sec
Running org.apache.hadoop.hbase.mapreduce.TestTableInputFormatScan2
Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 387.043 sec
{noformat}
> mapreduce.TestTableInputFormatScan times out frequently
> -------------------------------------------------------
>
> Key: HBASE-8326
> URL: https://issues.apache.org/jira/browse/HBASE-8326
> Project: HBase
> Issue Type: Bug
> Components: mapreduce, test
> Affects Versions: 0.98.0, 0.94.7, 0.95.1
> Reporter: Nick Dimiduk
> Assignee: Nick Dimiduk
> Attachments: HBASE-8326-reuse-jars-0.94-v0.patch,
> HBASE-8326-reuse-jars-trunk-v0.patch
>
>
> bq. It looks like since this change
> org.apache.hadoop.hbase.mapreduce.TestTableInputFormatScan has not passed a
> single time in the EC2 builds (http://54.241.6.143/job/HBase-0.94/). Change
> was introduced in Build #72, since then this tests times out (or doesn't
> finish)
> via [~lhofhansl] in [HBASE-8140
> comment|https://issues.apache.org/jira/browse/HBASE-8140?focusedCommentId=13629101&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13629101].
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