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https://issues.apache.org/jira/browse/HADOOP-3967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu resolved HADOOP-3967.
---------------------------------------------
Resolution: Duplicate
Fixed HADOOP-4963
> Task Tracker logs show a lot of DiskChecker$DiskErrorException
> --------------------------------------------------------------
>
> Key: HADOOP-3967
> URL: https://issues.apache.org/jira/browse/HADOOP-3967
> Project: Hadoop Core
> Issue Type: Bug
> Reporter: Jothi Padmanabhan
>
> The task tracker logs show a lot of messages like
> 789 INFO org.apache.hadoop.mapred.TaskTracker:
> org.apache.hadoop.util.DiskChecker$DiskErrorException: Could not find
> taskTracker/jobcache/job_200808181059_0001/attempt_200808181059_0001_m_000097_0/output/file.out
> in any of the configured local directories
> This appears to have been introduced by Hadoop-657. The message comes from
> transmitHeartBeat -> cloneAndResetRunningTaskStatuses -> tryToGetOutputSize.
> This tries to estimate the map output size even before the actual file is
> created.
> This error has no bearing on the overall functionality, all jobs run to
> success
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