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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3409) Support Node Attribute functionality
Date Tue, 25 Jul 2017 20:27:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-3409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16100718#comment-16100718
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Wangda Tan commented on YARN-3409:
----------------------------------

[~kkaranasos]/[~naganarasimha_gr@apache.org]. 

bq. For point 3 re: the data types, we can do something like this: node1:java=8[string],ssd=false[boolean].
But either way, it is not a big deal.
This proposal looks better to me to support typed attributes.

> Support Node Attribute functionality
> ------------------------------------
>
>                 Key: YARN-3409
>                 URL: https://issues.apache.org/jira/browse/YARN-3409
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: api, capacityscheduler, client
>            Reporter: Wangda Tan
>            Assignee: Naganarasimha G R
>         Attachments: 3409-apiChanges_v2.pdf (4).pdf, Constraint-Node-Labels-Requirements-Design-doc_v1.pdf,
YARN-3409.WIP.001.patch
>
>
> 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).
> Attributes are orthogonal to partition, they’re describing features of node’s hardware/software
just for affinity. Some example of attributes:
> - 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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