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https://issues.apache.org/jira/browse/HDFS-14748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated HDFS-14748:
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Fix Version/s: 3.3.0
> Make DataNodePeerMetrics#minOutlierDetectionSamples configurable
> ----------------------------------------------------------------
>
> Key: HDFS-14748
> URL: https://issues.apache.org/jira/browse/HDFS-14748
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.9.0, 3.0.0-alpha4
> Reporter: Lisheng Sun
> Assignee: Lisheng Sun
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-14748.001.patch, HDFS-14748.002.patch,
> HDFS-14748.003.patch
>
>
> Slow node monitoring is to transfer 1000 packets between DataNodes within
> three hours before they are eligible to calculate and upload transmission
> delays to the namenode.
> But if Write data is very small and number of packets is less than 1000, the
> slow node will not be reported to NameNode, so make
> DataNodePeerMetrics#minOutlierDetectionSamplesconfigurable.
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