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https://issues.apache.org/jira/browse/HDFS-389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved HDFS-389.
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Resolution: Fixed
Fixed forever ago.
> reduce periodic block report time from datanodes
> ------------------------------------------------
>
> Key: HDFS-389
> URL: https://issues.apache.org/jira/browse/HDFS-389
> Project: Hadoop HDFS
> Issue Type: Improvement
> 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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