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https://issues.apache.org/jira/browse/MAPREDUCE-1819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ramkumar Vadali updated MAPREDUCE-1819:
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Attachment: MAPREDUCE-1819.4.patch
Return true directly in shouldSelectFiles(), merge changes with recent commits
after svn up.
Test Results:
===========
ant test-patch
1819 latest
[exec]
[exec] +1 overall.
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[exec] +1 @author. The patch does not contain any @author tags.
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[exec] +1 tests included. The patch appears to include 16 new or
modified tests.
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[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
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[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
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[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
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[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
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[exec] +1 system tests framework. The patch passed system tests
framework compile.
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======================================================================
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[exec] Finished build.
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ant test:
There were test failures, but those failures were present in a clean checkout
as well. The patch does not introduce any new failures. The following are the
tests that failed on a clean checkout:
[junit] Test org.apache.hadoop.mapred.TestMapRed FAILED
[junit] Test org.apache.hadoop.mapred.TestSequenceFileInputFormat FAILED
[junit] Test org.apache.hadoop.io.TestSequenceFile FAILED
[junit] Test org.apache.hadoop.mapred.TestControlledMapReduceJob FAILED
(timeout)
[junit] Test org.apache.hadoop.mapred.TestJobQueueInformation FAILED
[junit] Test org.apache.hadoop.mapred.TestSequenceFileAsTextInputFormat
FAILED
[junit] Test org.apache.hadoop.mapred.TestSequenceFileInputFilter FAILED
[junit] Test org.apache.hadoop.mapreduce.TestMapReduce FAILED
[junit] Test
org.apache.hadoop.mapreduce.lib.input.TestMRSequenceFileAsTextInputFormat FAILED
[junit] Test
org.apache.hadoop.mapreduce.lib.input.TestMRSequenceFileInputFilter FAILED
[junit] Test org.apache.hadoop.record.TestRecordMR FAILED
> RaidNode should be smarter in submitting Raid jobs
> --------------------------------------------------
>
> Key: MAPREDUCE-1819
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1819
> Project: Hadoop Map/Reduce
> Issue Type: Task
> Components: contrib/raid
> Affects Versions: 0.20.1
> Reporter: Ramkumar Vadali
> Assignee: Ramkumar Vadali
> Attachments: MAPREDUCE-1819.4.patch, MAPREDUCE-1819.patch,
> MAPREDUCE-1819.patch.2, MAPREDUCE-1819.patch.3
>
>
> The RaidNode currently computes parity files as follows:
> 1. Using RaidNode.selectFiles() to figure out what files to raid for a policy
> 2. Using #1 repeatedly for each configured policy to accumulate a list of
> files.
> 3. Submitting a mapreduce job with the list of files from #2 using
> DistRaid.doDistRaid()
> This task addresses the fact that #2 and #3 happen sequentially. The proposal
> is to submit a separate mapreduce job for the list of files for each policy
> and use another thread to track the progress of the submitted jobs. This will
> help reduce the time taken for files to be raided.
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