50-100 ops/sec on a 5 Node cluster

Reid Draper reiddraper at gmail.com
Tue Jun 26 12:00:13 EDT 2012


On Jun 26, 2012, at 11:48 AM, David Smith wrote:

> What does your basho_bench config file look like?
> 
> Seeing a low number of ops/sec is usually an indicator that you're
> hitting a bottleneck on the I/O path -- typically due to random reads.
> LevelDB has a number of characteristics that can make this worse --
> what happens if you use bitcask?
> 
> D.
> 
> On Tue, Jun 26, 2012 at 4:57 AM, Yousuf Fauzan <yousuffauzan at gmail.com> wrote:
>> Hello,
>> 
>> Here is my setup of Riak 1.1.4
>> 
>> 5 Nodes
>> ami-a29943cb (EC2 AMI)
>> m1.large (7.5GB Ram, 4 EC2 compute instances)
>> EBS storage
I'd recommend giving ephemeral storage a shot as well. It tends to have significantly less variable performance than EBS.
>> LevelDB backend
>> Python Client with Protobuf (on a separate machine)
>> 
>> While loading data I am getting around 50 ops/sec.
>> 
>> I tried running basho benchmark on the setup and it showed 100 ops/sec
>> throughput.
>> 
>> After talking to people or Riak IRC, I realized that upwards of 1.5K ops/sec
>> is what I should be getting.
>> 
>> Could anyone help me in figuring out what I am doing wrong?
>> 
>> 
>> Thanks,
>> 
>> Yousuf
>> 
>> 
>> _______________________________________________
>> riak-users mailing list
>> riak-users at lists.basho.com
>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
>> 
> 
> 
> 
> -- 
> Dave Smith
> VP, Engineering
> Basho Technologies, Inc.
> dizzyd at basho.com
> 
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