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From "Subru Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-3662) Federation Membership State APIs
Date Tue, 19 Jul 2016 01:16:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-3662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15383428#comment-15383428
] 

Subru Krishnan edited comment on YARN-3662 at 7/19/16 1:16 AM:
---------------------------------------------------------------

Thanks [~leftnoteasy] for reviewing the APIs. I am attaching an updated patch (v3) that addresses
your concerns on membership API, specifically:
  * Renaming {{FederationMembershipState --> FederationMembershipStateStore}} as this is
the equivalent of {{RMStateStore}} for Federation.
  * Added an explicit {{FederationSubClusterHeartbeatRequest}}
  * Renamed all the _address_ fields in {{FederationSubClusterInfo}} to _serviceAddress_

I'll also update YARN-5307 by renaming {{FederationApplicationState --> FederationApplicationStateStore}}.

Regarding your question about the Policy API, Carlo has uploaded the initial version of the
Policies in YARN-5323 with a [summary|https://issues.apache.org/jira/browse/YARN-5323?focusedCommentId=15380907]
of how they will be used in Federation. We are updating the API Javadoc in YARN-3664 to increase
clarity.


was (Author: subru):
Thanks [~leftnoteasy] for reviewing the APIs. I am attaching an updated patch (v3) that addresses
your concerns on membership API, specifically:
  * Renaming {{FederationMembershipState --> FederationMembershipStateStore}} as this is
the equivalent of {{RMStateStore}} for Federation.
  * Added an explicit {{FederationSubClusterHeartbeatRequest}}
  * Renamed all the _address_ fields in {{FederationSubClusterInfo}} to _serviceAddress_

I'll also update YARN-5367 by renaming {{FederationApplicationState --> FederationApplicationStateStore}}.

Regarding your question about the Policy API, Carlo has uploaded the initial version of the
Policies in YARN-5323 with a [summary|https://issues.apache.org/jira/browse/YARN-5323?focusedCommentId=15380907]
of how they will be used in Federation. We are updating the API Javadoc in YARN-3664 to increase
clarity.

> Federation Membership State APIs
> --------------------------------
>
>                 Key: YARN-3662
>                 URL: https://issues.apache.org/jira/browse/YARN-3662
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Subru Krishnan
>            Assignee: Subru Krishnan
>         Attachments: YARN-3662-YARN-2915-v1.1.patch, YARN-3662-YARN-2915-v1.patch, YARN-3662-YARN-2915-v2.patch,
YARN-3662-YARN-2915-v3.patch
>
>
> The Federation Application State encapsulates the information about the active RM of
each sub-cluster that is participating in Federation. The information includes addresses for
ClientRM, ApplicationMaster and Admin services along with the sub_cluster _capability_ which
is currently defined by *ClusterMetricsInfo*. Please refer to the design doc in parent JIRA
for further details.



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