TeraSort example fails in trunk
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Key: MAPREDUCE-2018
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2018
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: examples
Affects Versions: 0.22.0
Environment: Compile, build and run from trunk terasort example using
several random files as input. Terasort will fail
Reporter: Krishna Ramachandran
Exceptions are thrown while computing splits near the end of file - typically
when the number of bytes read is smaller than RECORD_LENGTH
10/08/17 22:44:17 WARN conf.Configuration: mapred.task.id is deprecated.
Instead, use mapreduce.task.attempt.id
10/08/17 22:44:17 INFO input.FileInputFormat: Total input paths to process : 1
Spent 19ms computing base-splits.
Spent 2ms computing TeraScheduler splits.
Computing input splits took 22ms
Sampling 1 splits of 1
Got an exception while reading splits java.io.EOFException: read past eof
at
org.apache.hadoop.examples.terasort.TeraInputFormat$TeraRecordReader.nextKeyValue(TeraInputFormat.java:267)
at
org.apache.hadoop.examples.terasort.TeraInputFormat$1.run(TeraInputFormat.java:181)
TeraInoutFormat I believe assumes the file sizes are exact multiples of
RECORD_LENGTH
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