My client is multi threaded. Instead of haproxy I had ELB in from of my cluster
On Tuesday, June 26, 2012, Yousuf Fauzan <yousuffau...@gmail.com> wrote: > I used ephemeral storage without any improvement. > > Also iotop and iostat did not show any saturation. > > After talking with Sean Cribbs on IRC, I tried disabling nagle in riak config, changed IO scheduler to noop, decreased cache size to 1 MB from 372 MB, removed load balancer. > > After doing all this too, there was absolutely no change in throughput. > > For Basho bench, I used examples/riakc_pb.config. > > > > On Tuesday, June 26, 2012, Reid Draper <reiddra...@gmail.com> wrote: >> >> 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 <yousuffau...@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@lists.basho.com >>>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>>> >>> >>> >>> >>> -- >>> Dave Smith >>> VP, Engineering >>> Basho Technologies, Inc. >>> diz...@basho.com >>> >>> _______________________________________________ >>> riak-users mailing list >>> riak-users@lists.basho.com >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >> >>
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