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Posted to mapreduce-dev@hadoop.apache.org by "Jakub Stransky (JIRA)" <ji...@apache.org> on 2014/07/31 12:24:38 UTC
[jira] [Resolved] (MAPREDUCE-6016) hadoop yarn mapreduce skip
failed records doesn't work
[ https://issues.apache.org/jira/browse/MAPREDUCE-6016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jakub Stransky resolved MAPREDUCE-6016.
---------------------------------------
Resolution: Duplicate
Not sure what happen but issue report were duplicated MAPREDUCE-6017
> hadoop yarn mapreduce skip failed records doesn't work
> ------------------------------------------------------
>
> Key: MAPREDUCE-6016
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6016
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.2.0
> Reporter: Jakub Stransky
> Priority: Minor
>
> I am trying to use "skip failed records" map-reduce functionality during the map phase. I created special testing file with 8 corrupted records. I am using TextInputFormat and during the processing (of the record) map function fails with unhandled exception (parsing the record into expected structure). Job is using the old mapred api.
> My job settings for enabling "skip failed records feature":
> <property>
> <name>mapred.skip.mode.enabled</name>
> <value>true</value>
> </property>
> <property>
> <name>mapreduce.map.maxattempts</name>
> <value>10</value>
> </property>
> <property>
> <name>mapreduce.task.skip.start.attempts</name>
> <value>1</value>
> </property>
> <property>
> <name>mapreduce.map.skip.maxrecords</name>
> <value>1</value>
> </property>
> I verified that those properties are propagated via verification in job.xml.
> I am using hadoop 2.2.0 (HDP 2.0). Job is still failing after 10 attempts.
> UPDATE:
> - obviously job is not entering skip record mode
> Q: Does this feature works on RecordReader level only? Hadoop definite guide (which is for v.1) descibes thais feature at the level of map/reduce funciton
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