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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11548) OZone: SCM: Add node pool management API
Date Sun, 19 Mar 2017 15:32:41 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Xiaoyu Yao updated HDFS-11548:
    Status: Patch Available  (was: Open)

> OZone: SCM: Add node pool management API
> ----------------------------------------
>                 Key: HDFS-11548
>                 URL: https://issues.apache.org/jira/browse/HDFS-11548
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>         Attachments: HDFS-11548-HDFS-7240.001.patch
> The idea is to group registered nodes into pools of fixed size (say 24 nodes per pool)
so that the container allocation and report can all be handled independently on a pool basis
by SCM.  
> The initial patch will implement the following Node Pool API that 
> 1) add node to a node pool 
> 2) remove a node from a pool 
> 3) get the pool name that a node belongs to 
> 4) get all the pool names 
> 5) get all nodes of a pool
> The integration with SCM container allocation can be all nodes in a single default pool
upon registration. We will provide a CLI to manage multiple pools and support for pool definition
file later. 

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