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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-3409) Add constraint node labels
Date Thu, 17 Nov 2016 20:44:58 GMT

     [ https://issues.apache.org/jira/browse/YARN-3409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Naganarasimha G R reassigned YARN-3409:
---------------------------------------

    Assignee: Naganarasimha G R  (was: Wangda Tan)

> Add constraint node labels
> --------------------------
>
>                 Key: YARN-3409
>                 URL: https://issues.apache.org/jira/browse/YARN-3409
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api, capacityscheduler, client
>            Reporter: Wangda Tan
>            Assignee: Naganarasimha G R
>
> Specify only one label for each node (IAW, partition a cluster) is a way to determinate
how resources of a special set of nodes could be shared by a group of entities (like teams,
departments, etc.). Partitions of a cluster has following characteristics:
> - Cluster divided to several disjoint sub clusters.
> - ACL/priority can apply on partition (Only market team / marke team has priority to
use the partition).
> - Percentage of capacities can apply on partition (Market team has 40% minimum capacity
and Dev team has 60% of minimum capacity of the partition).
> Constraints are orthogonal to partition, they’re describing attributes of node’s
hardware/software just for affinity. Some example of constraints:
> - glibc version
> - JDK version
> - Type of CPU (x86_64/i686)
> - Type of OS (windows, linux, etc.)
> With this, application can be able to ask for resource has (glibc.version >= 2.20
&& JDK.version >= 8u20 && x86_64).



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