Change 'update' to 'put' in your list of operations and it should work.
Sean Cribbs <[email protected]>
Developer Advocate
Basho Technologies, Inc.
http://basho.com/
On Jun 23, 2010, at 4:40 AM, Germain Maurice wrote:
> Hi Sean,
>
> Thank you for your answer, i'm relieved by reading your first impression.
> I tried to use the null driver as you advised, but {driver, null} and
> {driver, basho_bench_driver_null} didn't work.
>
> INFO: Est. data size: 37.25 GB
> INFO: Starting max worker: <0.64.0>
> INFO: Starting max worker: <0.62.0>
> INFO: Starting max worker: <0.60.0>
> INFO: Starting max worker: <0.58.0>
> DEBUG:Driver basho_bench_driver_null crashed: {function_clause,
> [{basho_bench_driver_null,run,
> [update,
>
> #Fun<basho_bench_keygen.1.97947909>,
>
> #Fun<basho_bench_valgen.0.133134104>,
> 51974]},
> {basho_bench_worker,
> worker_next_op,1},
> {basho_bench_worker,
> max_worker_run_loop,1}]}
> INFO: Starting max worker: <0.56.0>
> DEBUG:Driver basho_bench_driver_null crashed: {function_clause,
> [{basho_bench_driver_null,run,
> [update,
>
> #Fun<basho_bench_keygen.1.97947909>,
>
> #Fun<basho_bench_valgen.0.133134104>,
> 98189]},
> {basho_bench_worker,
> worker_next_op,1},
> {basho_bench_worker,
> max_worker_run_loop,1}]}
> ....
>
> Any explanation ?
>
> Thanks
>
> Le 22/06/10 23:53, Sean Cribbs a écrit :
>>
>> Germain,
>>
>> Sorry for not getting back to you sooner. Your graphs are slightly
>> disconcerting to me for a few reasons.
>>
>> 1) The throughput graphs have consistent upward trends, which says to me
>> that something - cache, buffer pools, whatever - aren't "warmed up" until
>> the end of the test. There might also be something external to the test
>> going on.
>>
>> 2) You have a lot of concurrent workers. 5 should be more than enough to
>> saturate your cluster when there's no throttling ({mode,max}). Be sure your
>> client machine is not the limiting factor here (and that you're not running
>> basho_bench on the same machine as a node).
>>
>> 3) Your payload size is really large (fixed size of 400K). If this is
>> representative of your application's workload, that's fine. But you might
>> try running the test with the "null" driver, which will detect how well the
>> key and value generators perform in combination (doesn't actually hit Riak).
>> It should give you an idea of how costly the generation is, and thus what
>> the upper limits of throughput are.
>>
>> Sean Cribbs <[email protected]>
>> Developer Advocate
>> Basho Technologies, Inc.
>> http://basho.com/
>>
>> On Jun 22, 2010, at 4:38 PM, Germain Maurice wrote:
>>
>>> No one ?
>>>
>>> Le 18/06/2010 18:47, Germain Maurice a écrit :
>>>>
>>>> Hi all,
>>>>
>>>> We led some tests with basho_bench and we got some results here :
>>>> http://erralt.wordpress.com/2010/06/18/benching-riak-with-basho_bench/
>>>>
>>>> I put inside the pictures the content of each configuration file we used
>>>> to launch the benchmarks (easier to compare).
>>>> When looking at the last benchmark and after 3000 seconds elapsed, can we
>>>> considered that more than 2500 operations are done in one second ? On each
>>>> second can we expect to get the same quantity of read and write requests
>>>> throughout the benchmark ?
>>>>
>>>> Regards,
>>>> Germain
>>>> --
>>>> Germain Maurice
>>>> Administrateur Système/Réseau
>>>> Tel : +33.(0)1.42.43.54.33
>>>>
>>>> http://www.linkfluence.net
>>>>
>>>> _______________________________________________
>>>> 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
>>
>
>
> --
> Germain Maurice
> Administrateur Système/Réseau
> Tel : +33.(0)1.42.43.54.33
>
> http://www.linkfluence.net
> _______________________________________________
> 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
