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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12993) Add an option to Balancer for excluding the paths
Date Mon, 08 Jan 2018 11:04:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brahma Reddy Battula updated HDFS-12993:
----------------------------------------
    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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