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https://issues.apache.org/jira/browse/HDFS-16863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17655868#comment-17655868
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Yanlei Yu commented on HDFS-16863:
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hi,[~jianghuazhu],
Thank you for your reply. As for the first point you mentioned, even periodic
FBR cannot provide timely notification. If this situation is abnormal, it
should be regarded as the pre-judgment condition of FBR
As for your second point, I don't think it has anything to do with FBR.
datanode if it doesn't copy the data copy successfully, it has a mechanism to
handle the unsuccessful copy. That's not what FBR does
> Optimize frequency of regular block reports
> -------------------------------------------
>
> Key: HDFS-16863
> URL: https://issues.apache.org/jira/browse/HDFS-16863
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Yanlei Yu
> Priority: Major
> Attachments: HDFS-16863.patch
>
>
> like HDFS-15162
> Avoid sending block report at regular interval, if there is no failover,
> DiskError or any exception encountered in connecting to the Namenode.
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