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https://issues.apache.org/jira/browse/HDFS-8867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated HDFS-8867:
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Fix Version/s: 2.8.0
> Enable optimized block reports
> ------------------------------
>
> Key: HDFS-8867
> URL: https://issues.apache.org/jira/browse/HDFS-8867
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Rushabh S Shah
> Assignee: Daryn Sharp
> Fix For: 2.8.0, 2.7.2, 3.0.0-alpha1
>
> Attachments: HDFS-8867.patch
>
>
> Opening this ticket on behalf of [~daryn]
> HDFS-7435 introduced a more efficiently encoded block report format designed
> to improve performance and reduce GC load on the NN and DNs. The NN is not
> advertising this capability to the DNs so old-style reports are still being
> used.
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