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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3534) Collect memory/cpu usage on the node
Date Sat, 08 Aug 2015 18:25:47 GMT

    [ https://issues.apache.org/jira/browse/YARN-3534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14663100#comment-14663100
] 

Karthik Kambatla commented on YARN-3534:
----------------------------------------

Hopefully, last set of comments:
# We should also not deprecate NM_CONTAINER_MON_RESOURCE_CALCULATOR. Should have been more
explicit in my previous comment.
# ContainersMonitorImpl should prioritize container-specific configs and fallback if they
are not present. Something along these lines:
{code}
    this.monitoringInterval =
        conf.getLong(YarnConfiguration.NM_CONTAINER_MON_INTERVAL_MS,
            conf.getLong(YarnConfiguration.NM_RESOURCE_MON_INTERVAL_MS,
                YarnConfiguration.DEFAULT_NM_RESOURCE_MON_INTERVAL_MS));

    Class<? extends ResourceCalculatorPlugin> clazz =
        conf.getClass(YarnConfiguration.NM_CONTAINER_MON_RESOURCE_CALCULATOR,
            conf.getClass(
                YarnConfiguration.NM_MON_RESOURCE_CALCULATOR, null,
                ResourceCalculatorPlugin.class),
            ResourceCalculatorPlugin.class);
{code}
# yarn-default.xml needs to be updated for the CONTAINER_MON configs we are changing the behavior
of, and any default values there should be removed. 

> Collect memory/cpu usage on the node
> ------------------------------------
>
>                 Key: YARN-3534
>                 URL: https://issues.apache.org/jira/browse/YARN-3534
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>    Affects Versions: 2.7.0
>            Reporter: Inigo Goiri
>            Assignee: Inigo Goiri
>         Attachments: YARN-3534-1.patch, YARN-3534-10.patch, YARN-3534-11.patch, YARN-3534-12.patch,
YARN-3534-14.patch, YARN-3534-15.patch, YARN-3534-16.patch, YARN-3534-16.patch, YARN-3534-2.patch,
YARN-3534-3.patch, YARN-3534-3.patch, YARN-3534-4.patch, YARN-3534-5.patch, YARN-3534-6.patch,
YARN-3534-7.patch, YARN-3534-8.patch, YARN-3534-9.patch
>
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> YARN should be aware of the resource utilization of the nodes when scheduling containers.
For this, this task will implement the collection of memory/cpu usage on the node.



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