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https://issues.apache.org/jira/browse/HADOOP-14995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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DENG FEI updated HADOOP-14995:
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Attachment: HADOOP-14995-trunk-001.patch
> Configuration should be forced to load resources as an option to avoid loss
> of configuration results lead to data loss
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-14995
> URL: https://issues.apache.org/jira/browse/HADOOP-14995
> Project: Hadoop Common
> Issue Type: Improvement
> Components: conf
> Reporter: DENG FEI
> Priority: Critical
> Attachments: HADOOP-14995-trunk-001.patch, data_loss.png,
> job_detail.png, log.png, normal_task.png
>
>
> MapReduce Job, the task initialization by _job.xml_ , but if missing the soft
> link of "job.xml" file,will do nothing under the quietmode of Configuration.
> Such as map tasks as directly output to HDFS without reduce tasks of job, if
> map task missing job.xml, it's will run with default behavior, just as
> _IdentityMapper_ and output to local, and resulting in data loss.
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