Since this is for public consumption, setting up and installing 'R' was no trivial task.
On Feb 22, 2013, at 4:34 PM, Richard Shaw <[email protected]> wrote: > Hi Kevin, > > Always good practise to reply to the mailing list so others can benefit from > the content > > basho bench is the best place to start, If you have a working cluster or even > a working single node, follow the benchmarking guide[0] > > Please let me see some of the specific errors you're having and we can help > resolve them. > > Outside of basho bench, I recommend benchmarking the raw performance of your > VM, you can do this using a variety of tools like iostat, iperf or a test > suite like Phoronix test suite, a very comprehensive FOSS tool[1] look at the > `aio` test > > I'd also recommend benchmarking each time you make a configuration change to > really understand how effective that change was > > [0]http://docs.basho.com/riak/latest/cookbooks/Benchmarking/ > [1]http://www.phoronix-test-suite.com/ > > Kind Regards > > Richard > > > On Fri, Feb 22, 2013 at 10:14 PM, Kevin Burton <[email protected]> > wrote: >> That was my next question. I have tried to get basho_bench to work but so >> far have been unsuccessful. If you have a simple "hello world" sample config >> I would greatly appreciate it. I have tried a bunch of configs in the >> examples directory but get met with one error or another. >> Other than that I have just timed various client driver calls. Mostly random >> reads some writes. >> >> On Feb 22, 2013, at 3:48 PM, Richard Shaw <[email protected]> wrote: >> >>> Hi Kevin, >>> >>> What kind of benchmarking have you done on your VMs and what did you use ? >>> >>> Kind Regards >>> >>> Richard >>> >>> >>> On Fri, Feb 22, 2013 at 9:49 AM, Kevin Burton <[email protected]> >>> wrote: >>>> Ok I suspected as much. This will give me more ammo when requesting more >>>> resources. Thank you. >>>> Now, back to the original question. Given that the physical hardware is >>>> taken care of. What parameters are most important when tuning a cluster. >>>> Again for arguments sake assume the same 4 node cluster with a read-write >>>> ratio of about 75 percent. >>>> >>>> On Feb 21, 2013, at 8:26 PM, Alexander Sicular <[email protected]> wrote: >>>> >>>>> It can't be said enough times but the number one thing you can do to >>>>> ensure that you are getting true performance (not to mention redundancy) >>>>> is to use different physical hardware for each of your nodes. Under no >>>>> circumstances should you have more than one VM (one logical node in a >>>>> Riak cluster) on the same physical hardware. Also, use multiple >>>>> connections/threads/parallelism/whatever on client side and be sure to >>>>> hit all the nodes in the cluster haproxy roundrobin-esque when writing to >>>>> Riak. Everything else is in the noise. >>>>> >>>>> -Alexander Sicular >>>>> >>>>> @siculars >>>>> >>>>> On Feb 21, 2013, at 9:04 PM, Kevin Burton <[email protected]> >>>>> wrote: >>>>> >>>>>> >>>>>> There each has about 20-30GB of disk space. They each are a VM so I am >>>>>> not sure how to specify the CPU. They all seem to be 64 bit Intel >>>>>> processors but I could tell you the clock speed. The network is 1Gb >>>>>> Ethernet. >>>>>> >>>>>> From: Sean Carey [mailto:[email protected]] >>>>>> Sent: Thursday, February 21, 2013 7:59 PM >>>>>> To: Kevin Burton >>>>>> Cc: [email protected] >>>>>> Subject: Re: Tuning a Riak cluster. >>>>>> >>>>>> Kevin, >>>>>> Disk and CPU, and Network? >>>>>> >>>>>> >>>>>> Sean Carey >>>>>> @densone >>>>>> >>>>>> On Thursday, February 21, 2013 at 20:31, Kevin Burton wrote: >>>>>> >>>>>> >>>>>> I have a cluster of 4 machines (4 Linux VM machines each allocated about >>>>>> 1 Gb of memory – yea I know it isn’t a lot). I would like to get some >>>>>> pointers on getting the fastest query time possible given these meager >>>>>> resources. Thank you. >>>>>> _______________________________________________ >>>>>> riak-users mailing list >>>>>> [email protected] >>>>>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>>>>> >>>>>> _______________________________________________ >>>>>> riak-users mailing list >>>>>> [email protected] >>>>>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>>> >>>> _______________________________________________ >>>> riak-users mailing list >>>> [email protected] >>>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >
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