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https://issues.apache.org/jira/browse/TEZ-2377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14518144#comment-14518144
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Bikas Saha commented on TEZ-2377:
---------------------------------
Does the same fix need to be made to MRInput(Base)?
> RandomWriter ends up using TextOutputFormat instead of
> SequenceFileOutputFormat
> -------------------------------------------------------------------------------
>
> Key: TEZ-2377
> URL: https://issues.apache.org/jira/browse/TEZ-2377
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Attachments: TEZ-2377.1.patch
>
>
> {code}
> yarn jar ./dist/tez/tez-tests-0.7.0-SNAPSHOT.jar randomwriter
> "-Dmapreduce.randomwriter.totalbytes=10737418" /tmp/test1
> {code}
> This ends up generating TextOutputFormat.
> {code}
> yarn jar ./dist/tez/tez-tests-0.7.0-SNAPSHOT.jar sort
> "-Dmapreduce.framework.name=yarn-tez" -r 5 /tmp/test1 /tmp/test_sorted
> {code}
> This ends up throwing error
> {noformat}
> Failure while running task:java.io.IOException:
> hdfs://tez-vm:56565/tmp/test1/part-00000 not a SequenceFile
> at
> org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1851)
> at
> org.apache.hadoop.io.SequenceFile$Reader.initialize(SequenceFile.java:1811)
> at
> org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1760)
> at
> org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1774)
> at
> org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader.initialize(SequenceFileRecordReader.java:54)
> at
> org.apache.tez.mapreduce.lib.MRReaderMapReduce.setupNewRecordReader(MRReaderMapReduce.java:149)
> at
> org.apache.tez.mapreduce.lib.MRReaderMapReduce.<init>(MRReaderMapReduce.java:78)
> at
> org.apache.tez.mapreduce.input.MRInput.initializeInternal(MRInput.java:475)
> at
> org.apache.tez.mapreduce.input.MRInputLegacy.init(MRInputLegacy.java:108)
> {noformat}
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