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https://issues.apache.org/jira/browse/MAPREDUCE-1510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12837611#action_12837611
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Rodrigo Schmidt commented on MAPREDUCE-1510:
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I really don't know what is going on with Hudson.
It is failing a MiniMR test that is completely unrelated to this patch, but it
doesn't fail any unit test.
The logs say it is failing contrib unit tests because some services are trying
to bind to used ports, but it looks like a problem with Hudson more than a
problem with my patch.
I did a full ant test-patch, followed by an ant test, followed by an ant
test-contrib, and the only thing that failed was the unrelated MiniMR test.
I'm quite conviced this patch is harmless to trunk. Here is the final part of
the output from my "ant test-contrib" execution"
...
PASSED ALL PREVIOUS CONTRIB TESTS
...
test-junit:
[junit] Running org.apache.hadoop.hdfs.TestRaidDfs
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 5.377 sec
[junit] Running org.apache.hadoop.raid.TestRaidHar
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 45.107 sec
[junit] Running org.apache.hadoop.raid.TestRaidNode
[junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 61.432 sec
[junit] Running org.apache.hadoop.raid.TestRaidPurge
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 23.123 sec
test:
BUILD SUCCESSFUL
> RAID should regenerate parity files if they get deleted
> -------------------------------------------------------
>
> Key: MAPREDUCE-1510
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1510
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: contrib/raid
> Reporter: Rodrigo Schmidt
> Assignee: Rodrigo Schmidt
> Attachments: MAPREDUCE-1510.1.patch, MAPREDUCE-1510.patch
>
>
> Currently, if a source file has a replication factor lower or equal to that
> expected by RAID, the file is skipped and no parity file is generated. I
> don't think this is a good behavior since parity files can get wrongly
> deleted, leaving the source file with a low replication factor. In that case,
> raid should be able to recreate the parity file.
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