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https://issues.apache.org/jira/browse/HDFS-14069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Danny Becker updated HDFS-14069:
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Summary: Better debuggability for datanode decomissioning (was: Better
debuggability for datanode decommissioning)
> Better debuggability for datanode decomissioning
> ------------------------------------------------
>
> Key: HDFS-14069
> URL: https://issues.apache.org/jira/browse/HDFS-14069
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode, hdfs, namenode
> Reporter: Danny Becker
> Priority: Major
> Attachments: HDFS-14069.000.patch
>
>
> Currently, we only provide "minLiveReplicas" per DN that is being decomission
> Add totalAccessibleBlocks to NumberReplicas
> Add logic to track blocks that have less than the maxReplicasTracked
> Add Map of low replica blockids to DatanodeDescriptor
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