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From "Marco Nicosia (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3167) NameNode to report frequency, length, and type of garbage collection
Date Thu, 03 Apr 2008 22:23:27 GMT
NameNode to report frequency, length, and type of garbage collection
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                 Key: HADOOP-3167
                 URL: https://issues.apache.org/jira/browse/HADOOP-3167
             Project: Hadoop Core
          Issue Type: Improvement
            Reporter: Marco Nicosia
            Priority: Minor


Right now, we don't know for how long, nor how frequently, the Hadoop NameNode engages in
garbage collection. We can re-constitute this data from logs, but it'd be much better if Hadoop
could report this as a metric along with all other metrics reported, so we can graph these
alongside.


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