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From "Lohit Vijayarenu (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3825) reduce periodic block report time from datanodes
Date Thu, 24 Jul 2008 18:45:32 GMT
reduce periodic block report time from datanodes
------------------------------------------------

                 Key: HADOOP-3825
                 URL: https://issues.apache.org/jira/browse/HADOOP-3825
             Project: Hadoop Core
          Issue Type: Improvement
          Components: dfs
            Reporter: Lohit Vijayarenu
            Priority: Minor


On trunk, block reports are sent every hour. Namenode process these block reports from all
datanodes scanning the whole list of blocks. It would be good to check if we really need to
send this frequently or if we could reduce its frequency. 

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