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https://issues.apache.org/jira/browse/HBASE-1829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars George updated HBASE-1829:
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Attachment: TestTableInputFormatScan.java
HBaseTestingUtility.java
I have updated the test to JUnit4 and added a few helpful functions to the test
utility class, like starting a MapReduce cluster. What I have trouble with now
is adding the multi region code. I have added a createMultiRegion(...) method
but that previously used some intrinsic knowledge of how to set up the regions
and fill with rows in between. Since I am not sure if I have to copy that all I
stopped short and added a few "FIXME" comments in the utility class where I am
not sure what to do without creating a possibly a mess.
Could someone take my two classes and let me know what I have to do? After that
I will add the appropriate test cases covering all region combinations. I have
two already and they complete successfully - but since the table has only one
region it makes no sense yet.
Check the @BeforeClass to see how I intended to use them. Maybe that also needs
slight adjustments?
> Make use of start/stop row in TableInputFormat
> ----------------------------------------------
>
> Key: HBASE-1829
> URL: https://issues.apache.org/jira/browse/HBASE-1829
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.20.0
> Reporter: Lars George
> Assignee: Lars George
> Fix For: 0.20.2, 0.21.0
>
> Attachments: HBASE-1829-v2.patch, HBASE-1829.patch,
> HBaseTestingUtility.java, TestTableInputFormatScan.java
>
>
> Since we can now specify a start and stop row with the Scan that is handed to
> the TIF we can reduce the splits to the regions that contain these rows. That
> allows to test large MR jobs on a single region for example.
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