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From Bikas Saha <bi...@hortonworks.com>
Subject RE: More than one RM in YARN?
Date Wed, 19 Sep 2012 17:05:14 GMT
Chris,

Could you please elaborate a bit on the use case you are targeting? Do you
want to run multiple active RM's in the cluster? And they are being used
concurrently? Or are you talking about failover scenarios?

Bikas

-----Original Message-----
From: Harsh J [mailto:harsh@cloudera.com]
Sent: Tuesday, September 18, 2012 9:37 PM
To: mapreduce-dev@hadoop.apache.org
Subject: Re: More than one RM in YARN?

Chris,

Not yet, it is coming:
https://issues.apache.org/jira/browse/MAPREDUCE-4326 should go in first,
followed by the HA work after it via
https://issues.apache.org/jira/browse/MAPREDUCE-4345 (Latter isn't a dupe
of the former exactly).

On Wed, Sep 19, 2012 at 6:12 AM, Chris Riccomini <criccomini@linkedin.com>
wrote:
> Hey Guys,
>
> Is anyone running more than one RM on a YARN cluster (backed by ZK)?
We're looking at this, and I want to know if there's a standard way to do
it. Are people doing round robin DNS, load balancers, etc? Is it possible
to configure node managers to have a list of RMs rather than a single one?
>
> Thanks!
> Chris



--
Harsh J

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