Alex Newman created HADOOP-9884:
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Summary: Hadoop calling du -sk can cause huge load
Key: HADOOP-9884
URL: https://issues.apache.org/jira/browse/HADOOP-9884
Project: Hadoop Common
Issue Type: Bug
Reporter: Alex Newman
On numerous occasions we've had customers worry about slowness while hadoop
calls du -sk underneath the hood. For most of these users getting the
information from df would be sufficient and much faster. In fact there is a
hack going around, that is quiet common that replaces df with du. Sometimes
people have to tune the vcache. What if we just allowed users to use the df
information instead of the du information with a patch and config setting. I'd
be glad to code it up
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