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From Shekhar Gupta <shkhr...@gmail.com>
Subject Re: mrv1 vs YARN
Date Sun, 21 Apr 2013 23:45:32 GMT
I am sorry Amir. I don't have answers for these questions. Because I don't
use Hadoop for any real production jobs.
Mainly I play with the Scheduler and ResourceManager of YARN as part of my
thesis. So I just run some simple jobs to test the performance of the
scheduler.


On Sun, Apr 21, 2013 at 4:18 PM, Amir Sanjar <v1sanjar@us.ibm.com> wrote:

> thanks Shekhar, do you know when we will have an stable release for hadoop
> 2.0 (not alpha)?
> Also from you experience, what component of hadoop 2.0.3 are most unstable
> and are more likely need more attention?
>
> Best Regards
> Amir Sanjar
>
> System Management Architect
> PowerLinux Open Source Hadoop development lead
> IBM Senior Software Engineer
> Phone# 512-286-8393
> Fax#      512-838-8858
>
>
>
> [image: Inactive hide details for Shekhar Gupta ---04/21/2013 06:06:33
> PM---As par my experience the MapReduce API is same for both YAR]Shekhar
> Gupta ---04/21/2013 06:06:33 PM---As par my experience the MapReduce API is
> same for both YARN and MRv2. Applications compiled again Y
>
> From: Shekhar Gupta <shkhrgpt@gmail.com>
> To: common-dev@hadoop.apache.org,
> Date: 04/21/2013 06:06 PM
> Subject: Re: mrv1 vs YARN
> ------------------------------
>
>
>
> As par my experience the MapReduce API is same for both YARN and MRv2.
> Applications compiled again YARN should run smoothly on MRv1. Ans the vice
> versa is also true.
> And in general YARN is pretty stable now.
>
> Regards,
> Shekhar
>
>
>
> On Sun, Apr 21, 2013 at 3:45 PM, Amir Sanjar <v1sanjar@us.ibm.com> wrote:
>
> > Would an application compiled against YARN/MRv2 run transparently on
> MRv1?
> > Are there any API differences ?
> > How stable is YARN/MRV2?
> >
> > Best Regards
> > Amir Sanjar
> >
> > System Management Architect
> > PowerLinux Open Source Hadoop development lead
> > IBM Senior Software Engineer
> > Phone# 512-286-8393
> > Fax#      512-838-8858
> >
>
>

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