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https://issues.apache.org/jira/browse/HDFS-12993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brahma Reddy Battula updated HDFS-12993:
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Attachment: HDFS-12993.patch
Uploading the initial draft patch.Kindly review.
Added the one more param to NameNodeConnector#getBlocks.
As of now, dn't have report for locking load(only readlock) when there are huge
blocks.
> Add an option to Balancer for excluding the paths
> -------------------------------------------------
>
> Key: HDFS-12993
> URL: https://issues.apache.org/jira/browse/HDFS-12993
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Attachments: HDFS-12993.patch
>
>
> *Usecase:* Users/Customers want to keep the important/frequently used
> blocks(where blocks are not written with favoured nodes and block pinning is
> not enabled) when balancer is triggered.This can be useful datacentric jobs
> which will run frequently.
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