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https://issues.apache.org/jira/browse/MAPREDUCE-2099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925549#action_12925549
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Ramkumar Vadali commented on MAPREDUCE-2099:
--------------------------------------------
Test Results:
ant test-patch:
{code}
[exec]
[exec] +1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 2 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
[exec]
[exec] +1 system tests framework. The patch passed system tests
framework compile.
[exec]
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======================================================================
[exec]
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[exec] Finished build.
[exec]
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[exec]
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{code}
ant test under src/contrib/raid:
{code}
test-junit:
[junit] WARNING: multiple versions of ant detected in path for junit
[junit]
jar:file:/home/rvadali/local/external/ant/lib/ant.jar!/org/apache/tools/ant/Project.class
[junit] and
jar:file:/home/rvadali/.ivy2/cache/ant/ant/jars/ant-1.6.5.jar!/org/apache/tools/ant/Project.class
[junit] Running org.apache.hadoop.hdfs.TestRaidDfs
[junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 44.295 sec
[junit] Running org.apache.hadoop.raid.TestDirectoryTraversal
[junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 8.839 sec
[junit] Running org.apache.hadoop.raid.TestErasureCodes
[junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 26.307 sec
[junit] Running org.apache.hadoop.raid.TestGaloisField
[junit] Tests run: 7, Failures: 0, Errors: 0, Time elapsed: 0.393 sec
[junit] Running org.apache.hadoop.raid.TestHarIndexParser
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 0.052 sec
[junit] Running org.apache.hadoop.raid.TestRaidHar
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 72.067 sec
[junit] Running org.apache.hadoop.raid.TestRaidNode
[junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 403.134 sec
[junit] Running org.apache.hadoop.raid.TestRaidPurge
[junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 107.381 sec
[junit] Running org.apache.hadoop.raid.TestRaidShell
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 23.601 sec
test:
BUILD SUCCESSFUL
{code}
> RaidNode should recreate outdated parity HARs
> ---------------------------------------------
>
> Key: MAPREDUCE-2099
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2099
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/raid
> Reporter: Ramkumar Vadali
> Assignee: Ramkumar Vadali
> Attachments: MAPREDUCE-2099.2.patch, MAPREDUCE-2099.patch
>
>
> After parity files are archived into a parity HAR, a change in the source
> file does not cause the HAR to be recreated. Instead, individual parity files
> are created for the modified files but the HAR is not touched. This causes
> increased disk usage for parity data.
> The parity HAR could be recreated if a certain percentage of files in the HAR
> are determined to be outdated.
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