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Posted to yarn-issues@hadoop.apache.org by "Alejandro Abdelnur (JIRA)" <ji...@apache.org> on 2013/08/06 20:17:47 UTC
[jira] [Assigned] (YARN-160) nodemanagers should obtain cpu/memory
values from underlying OS
[ https://issues.apache.org/jira/browse/YARN-160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alejandro Abdelnur reassigned YARN-160:
---------------------------------------
Assignee: (was: Alejandro Abdelnur)
I have my hands full at the moment, I won't be able to take onto this one for a while.
Making it unassigned in case somebody wants to take a stab to it.
> nodemanagers should obtain cpu/memory values from underlying OS
> ---------------------------------------------------------------
>
> Key: YARN-160
> URL: https://issues.apache.org/jira/browse/YARN-160
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Affects Versions: 2.0.3-alpha
> Reporter: Alejandro Abdelnur
> Fix For: 2.1.0-beta
>
>
> As mentioned in YARN-2
> *NM memory and CPU configs*
> Currently these values are coming from the config of the NM, we should be able to obtain those values from the OS (ie, in the case of Linux from /proc/meminfo & /proc/cpuinfo). As this is highly OS dependent we should have an interface that obtains this information. In addition implementations of this interface should be able to specify a mem/cpu offset (amount of mem/cpu not to be avail as YARN resource), this would allow to reserve mem/cpu for the OS and other services outside of YARN containers.
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