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https://issues.apache.org/jira/browse/MAPREDUCE-1908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12919099#action_12919099
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Ramkumar Vadali commented on MAPREDUCE-1908:
--------------------------------------------
Test results under src/contrib/raid:
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: 2, Failures: 0, Errors: 0, Time elapsed: 14.223 sec
[junit] Running org.apache.hadoop.raid.TestRaidHar
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 91.264 sec
[junit] Running org.apache.hadoop.raid.TestRaidNode
[junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 62.755 sec
[junit] Running org.apache.hadoop.raid.TestRaidPurge
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 23.959 sec
test:
BUILD SUCCESSFUL
Total time: 3 minutes 25 seconds
result of ant test-patch:
[exec]
[exec]
[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]
[exec]
[exec]
[exec]
[exec]
======================================================================
[exec]
======================================================================
[exec] Finished build.
[exec]
======================================================================
[exec]
======================================================================
[exec]
[exec]
BUILD SUCCESSFUL
Total time: 18 minutes 27 seconds
> DistributedRaidFileSystem does not handle ChecksumException correctly
> ---------------------------------------------------------------------
>
> Key: MAPREDUCE-1908
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1908
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Ramkumar Vadali
> Assignee: Ramkumar Vadali
> Attachments: MAPREDUCE-1908.2.patch, MAPREDUCE-1908.patch
>
>
> ChecksumException reports the offset of corruption within a block,
> whereas DistributedRaidFileSystem.setAlternateLocations was expecting it
> to report the offset of corruption within the file.
> The best way of dealing with a missing block/corrupt block is to just
> use the current seek offset in the file as the position of corruption.
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