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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12860) TeraSort failed on erasure coding directory
Date Fri, 01 Dec 2017 23:55:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang updated HDFS-12860:
-------------------------------
    Component/s: erasure-coding

> TeraSort failed on erasure coding directory
> -------------------------------------------
>
>                 Key: HDFS-12860
>                 URL: https://issues.apache.org/jira/browse/HDFS-12860
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: erasure-coding
>    Affects Versions: 3.0.0
>            Reporter: Lei (Eddy) Xu
>
> Running terasort on a cluster with 8 datanodes, 256GB data, using RS-3-2-1024k.
> The test data was generated by {{teragen}} with 32 mappers.
> The terasort benchmark fails with the following stack trace:
> {code}
> 17/11/27 14:44:31 INFO mapreduce.Job:  map 45% reduce 0%
> 17/11/27 14:44:33 INFO mapreduce.Job: Task Id : attempt_1510080297865_0160_m_000008_0,
Status : FAILED
> Error: java.lang.IllegalArgumentException
> 	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:72)
> 	at org.apache.hadoop.hdfs.util.StripedBlockUtil$VerticalRange.<init>(StripedBlockUtil.java:701)
> 	at org.apache.hadoop.hdfs.util.StripedBlockUtil.getRangesForInternalBlocks(StripedBlockUtil.java:442)
> 	at org.apache.hadoop.hdfs.util.StripedBlockUtil.divideOneStripe(StripedBlockUtil.java:311)
> 	at org.apache.hadoop.hdfs.DFSStripedInputStream.readOneStripe(DFSStripedInputStream.java:308)
> 	at org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:391)
> 	at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:813)
> 	at java.io.DataInputStream.read(DataInputStream.java:149)
> 	at org.apache.hadoop.examples.terasort.TeraInputFormat$TeraRecordReader.nextKeyValue(TeraInputFormat.java:257)
> 	at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:562)
> 	at org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
> 	at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
> 	at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
> 	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:793)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
> 	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:174)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1962)
> 	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:168)
> {code}



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