DISTCP mapper should report progress more often
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Key: HADOOP-2048
URL: https://issues.apache.org/jira/browse/HADOOP-2048
Project: Hadoop
Issue Type: Bug
Reporter: Runping Qi
When I ran DISTCP to copy files from one dfs to another, I noticed that some
mappers got killed due to failing to report status for 606 seconds.
I noticed that the mappers try to make a progress report for every 32MB copied.
A better way to ensure progress is to use a time interval since last report.
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