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From 牛兆捷 <nzjem...@gmail.com>
Subject Re: Memory management
Date Fri, 19 Jul 2013 01:34:23 GMT
Thanks sandy.

2013/7/19 Sandy Ryza <sandy.ryza@cloudera.com>

> The scheduler, which lives inside the ResourceManager, is responsible for
> granting containers (each which has a requested memory capability) to
> applications and choosing where to put them.  It makes no attempt co-locate
> containers, but Application Masters, which are responsible for requesting
> resources, can request resources on particular nodes or racks.  Does that
> help to answer your question?  I'm not super familiar with the OS
> literature on this.
>
> All memory management on a single node is done by the OS.
>
> -Sandy
>
>
> On Thu, Jul 18, 2013 at 3:03 AM, 牛兆捷 <nzjemail@gmail.com> wrote:
>
> >  For a distributed sense,  such as whole memory management for the
> resource
> > manager.
> >
> > btw,what is it for a single node?
> >
> > 2013/7/18 Sandy Ryza <sandy.ryza@cloudera.com>
> >
> > > Hi Zhaojie,
> > >
> > > Do you mean on each node, or in a distributed sense?
> > >
> > > -Sandy
> > >
> > >
> > > On Wed, Jul 17, 2013 at 5:56 PM, 牛兆捷 <nzjemail@gmail.com> wrote:
> > >
> > > > Hi All:
> > > >
> > > > What is the memory management algorithm in Yarn?
> > > >
> > > > Is it buddy policy?
> > > >
> > > > --
> > > > *Sincerely,*
> > > > *Zhaojie*
> > > > *
> > > > *
> > > >
> > >
> >
> >
> >
> > --
> > *Sincerely,*
> > *Zhaojie*
> > *
> > *
> >
>



-- 
*Sincerely,*
*Zhaojie*
*
*

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