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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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Description:
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
was:
Add totalAccessibleBlocks to NumberReplicas
Add logic to track blocks that have less than the maxReplicasTracked
Add Map of low replica blockids to DatanodeDescriptor
> Better debuggability for datanode decommissioning
> -------------------------------------------------
>
> 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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