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https://issues.apache.org/jira/browse/HDFS-15694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17241869#comment-17241869
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Jim Brennan commented on HDFS-15694:
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+1 this looks good to me. We have been running with this change internally on
production clusters for several years.
> Avoid calling UpdateHeartBeatState inside DataNodeDescriptor
> ------------------------------------------------------------
>
> Key: HDFS-15694
> URL: https://issues.apache.org/jira/browse/HDFS-15694
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Major
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> [~kshukla] reported that {{DataNodeDescriptor}} constructor calls
> {{updateHeartBeat}} which is spamming the NN logs. This call does not update
> much since all the fields for the call are null or 0.
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