hadoop-yarn-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Manikandan R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6523) Newly retrieved security Tokens are sent as part of each heartbeat to each node from RM which is not desirable in large cluster
Date Mon, 20 Nov 2017 11:46:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-6523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16259138#comment-16259138
] 

Manikandan R commented on YARN-6523:
------------------------------------

Fixed checkstyle issues. Junit failures are not related to this patch, verified in my setup
as well.

> Newly retrieved security Tokens are sent as part of each heartbeat to each node from
RM which is not desirable in large cluster
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-6523
>                 URL: https://issues.apache.org/jira/browse/YARN-6523
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: RM
>    Affects Versions: 2.8.0, 2.7.3
>            Reporter: Naganarasimha G R
>            Assignee: Manikandan R
>         Attachments: YARN-6523.001.patch, YARN-6523.002.patch
>
>
> Currently as part of heartbeat response RM sets all application's tokens though all applications
might not be active on the node. On top of it NodeHeartbeatResponsePBImpl converts tokens
for each app into SystemCredentialsForAppsProto. Hence for each node and each heartbeat too
many SystemCredentialsForAppsProto objects were getting created.
> We hit a OOM while testing for 2000 concurrent apps on 500 nodes cluster with 8GB RAM
configured for RM



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

---------------------------------------------------------------------
To unsubscribe, e-mail: yarn-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: yarn-issues-help@hadoop.apache.org


Mime
View raw message