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MapReduce >> mail # user >> is RM require a lot of memory?


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Re: is RM require a lot of memory?
so ,from performance aspect i need seperate RN with NN,because each of them
is memory hungry

On Fri, Aug 9, 2013 at 8:00 AM, Marcos Luis Ortiz Valmaseda <
[EMAIL PROTECTED]> wrote:

> Remember that in YARN, the two main responsibilities of the JobTracker is
> divided in two different components:
> - Resource Management by ResourceManager (this is a global component)
> - Job scheduling and monitoring by the NodeManager (this is a per-node
> component)
> - Resource negotiation and task execution by the ApplicationMaster (which
> it´s a per-application component)
>
> Said this, like any Java-based process, for YARN could be very beneficial
> to have a lot of RAM in a careful tuned JVM.
>
>
>
> 2013/8/8 ch huang <[EMAIL PROTECTED]>
>
>> the yarn resource manager require a lot of memory as jobtracker?
>
>
>
>
> --
> Marcos Ortiz Valmaseda
> Product Manager at PDVSA
> http://about.me/marcosortiz
>
>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB