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From Rahul Ravindran <rahu...@yahoo.com>
Subject Re: Flume hops behind HAProxy
Date Wed, 14 Nov 2012 22:46:38 GMT
HAProxy is widely deployed already in our deployment and Ops is familiar with dealing with
it for hosts which go down etc. 


________________________________
 From: "Camp, Roy" <rcamp@ebay.com>
To: "user@flume.apache.org" <user@flume.apache.org> 
Sent: Wednesday, November 14, 2012 2:15 PM
Subject: RE: Flume hops behind HAProxy
 
Out of curiosity, what is the use case vs using the built in load balancing?



-----Original Message-----
From: Rahul Ravindran [mailto:rahulrv@yahoo.com] 
Sent: Wednesday, November 14, 2012 1:49 PM
To: user@flume.apache.org
Cc: user@flume.apache.org
Subject: Re: Flume hops behind HAProxy

It would be round robin but not sticky sessions( so each request could Goto any random flume
hop)

Sent from my phone.Excuse the terseness.

On Nov 14, 2012, at 1:33 PM, Brock Noland <brock@cloudera.com> wrote:

> I assume it would be connection based round robin?  Might work just 
> fine, but probably best to the use built-in support.
> 
> On Wed, Nov 14, 2012 at 2:46 PM, Rahul Ravindran <rahulrv@yahoo.com> wrote:
>> Resending given I sent it during off-hours.
>> 
>> ________________________________
>> From: Rahul Ravindran <rahulrv@yahoo.com>
>> To: "user@flume.apache.org" <user@flume.apache.org>
>> Sent: Tuesday, November 13, 2012 5:52 PM
>> Subject: Flume hops behind HAProxy
>> 
>> Hi,
>>   Before I try it, I wanted to check if there were any known issues 
>> with this. We will have multiple flume agents sending an Avro stream 
>> each to a smaller set of intermediate flume hops. Are there any 
>> issues/concerns around having the flume agents send their streams to 
>> an HAProxy which will round robin between the different flume hops. 
>> Any issue around the transaction mechanism with this setup?
>> 
>> I know that there is a selector mechanism in Flume to do this, but 
>> our operations extensively use HAProxy, and are most familiar with it.
>> 
>> Thanks,
>> ~Rahul.
> 
> 
> 
> --
> Apache MRUnit - Unit testing MapReduce - 
> http://incubator.apache.org/mrunit/
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