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https://issues.apache.org/jira/browse/HDFS-11551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17281493#comment-17281493
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tomscut commented on HDFS-11551:
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Hi [~hanishakoneru], can we make some parameters configurable for
DataNodeDiskMetrics? Because in some scenarios, especially small clusters,
using the default parameters is not easy to verify functionality.
Could you please review the code for me? Thank you.:)
https://github.com/apache/hadoop/pull/2676
> Handle SlowDiskReport from DataNode at the NameNode
> ---------------------------------------------------
>
> Key: HDFS-11551
> URL: https://issues.apache.org/jira/browse/HDFS-11551
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Reporter: Hanisha Koneru
> Assignee: Hanisha Koneru
> Priority: Major
> Fix For: 2.9.0, 3.0.0-alpha4
>
> Attachments: HDFS-11551-branch-2.001.patch,
> HDFS-11551-branch-2.002.patch, HDFS-11551.001.patch, HDFS-11551.002.patch,
> HDFS-11551.003.patch, HDFS-11551.004.patch, HDFS-11551.005.patch,
> HDFS-11551.006.patch, HDFS-11551.007.patch, HDFS-11551.008.patch,
> HDFS-11551.009.patch, HDFS-11551.010.patch
>
>
> DataNodes send slow disk reports via heartbeats. Handle these reports at the
> NameNode to find the topN slow disks.
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