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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2159) Better logging in SchedulerNode#allocateContainer
Date Mon, 16 Jun 2014 20:46:04 GMT

     [ https://issues.apache.org/jira/browse/YARN-2159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla updated YARN-2159:
-----------------------------------

    Summary: Better logging in SchedulerNode#allocateContainer  (was: allocateContainer()
in SchedulerNode needs a clearer LOG.info message)

> Better logging in SchedulerNode#allocateContainer
> -------------------------------------------------
>
>                 Key: YARN-2159
>                 URL: https://issues.apache.org/jira/browse/YARN-2159
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>            Reporter: Ray Chiang
>            Assignee: Ray Chiang
>            Priority: Trivial
>              Labels: newbie, supportability
>         Attachments: YARN2159-01.patch
>
>
> This bit of code:
> {quote}
>     LOG.info("Assigned container " + container.getId() + " of capacity "
>         + container.getResource() + " on host " + rmNode.getNodeAddress()
>         + ", which currently has " + numContainers + " containers, "
>         + getUsedResource() + " used and " + getAvailableResource()
>         + " available");
> {quote}
> results in a line like:
> {quote}
> 2014-05-30 16:17:43,573 INFO org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSSchedulerNode:
Assigned container container_1400666605555_0009_01_001111 of capacity <memory:1536, vCores:1>
on host machine.host.domain.com:8041, which currently has 18 containers, <memory:27648,
vCores:18> used and <memory:3072, vCores:0> available
> {quote}
> That message is fine in most cases, but looks pretty bad after the last available allocation,
since it says something like "vCores:0 available".
> Here is one suggested phrasing
>   - "which has 18 containers, <memory:27648, vCores:18> used and <memory:3072,
vCores:0> available after allocation"



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