riak_kv_memory_backend in production

Guido Medina guido.medina at temetra.com
Thu Jul 18 11:23:13 EDT 2013


Forgot to mention, with N=2 should he be able to have only 4 nodes and 
focus on RAM per node rather than 5?

I know is not recommended but shouldn't N=2 reduce the minimum 
recommended nodes to 4?

Guido.

On 18/07/13 16:21, Guido Medina wrote:
> Since the data he is requiring to store is only "transient", would it 
> make sense to set N=2 for performance? Or will N=2 have the opposite 
> effect due to amount of nodes having such replica?
>
> Guido.
>
> On 18/07/13 16:15, Jared Morrow wrote:
>> Kumar,
>>
>> We have a few customers who use the memory backend.  The first 
>> example I could find (with the help of our CSE team) uses the memory 
>> backend on 8 machines with 12gb of ram each.
>>
>> I know you are just testing right now, but we'd suggest using 5 node 
>> minimum.  With N=3 on a 3-node cluster you could be writing multiple 
>> replicas to the same machine.
>>
>> Good luck in your testing,
>> -Jared
>>
>>
>>
>>
>> On Thu, Jul 18, 2013 at 8:38 AM, kpandey <kumar.pandey at gmail.com 
>> <mailto:kumar.pandey at gmail.com>> wrote:
>>
>>     Are there known production installation of riak that uses
>>     riak_kv_memory_backend.  We have a need to store transient data
>>     just in
>>     memory ( never hitting persistent store). I'm testing riak on aws
>>     with 3
>>     node cluster and looks good so far.   Just wanted to find out
>>     what kind of
>>     setup people are using in production.
>>
>>     Thanks
>>     Kumar
>>
>>
>>
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