Windows 8 GB RAM
p5 4 core cpu
hard drive
I do get tens of thousands of reads
But the number falls when I add in a second node

On Tuesday, February 4, 2014 4:07:19 AM UTC, Matt Ingenthron wrote:
>
> Hi Paul,
>
> What kind of systems are you running?  With moderate CPU, I can drive tens 
> of thousands of operations from the Java client, so I'm not sure it's lack 
> of CPU.  
>
> Does the same setup go further with RoadRunner?
>
> Thanks,
>
> Matt
>
> From: asdf9898 <[email protected] <javascript:>>
> Reply-To: "[email protected] <javascript:>" <
> [email protected] <javascript:>>
> Date: Monday, February 3, 2014 1:04 PM
> To: "[email protected] <javascript:>" 
> <[email protected]<javascript:>
> >
> Subject: Re: couchbase scale out performance
>
> Aliaksey,
>
> I think that having a second node is creating CPU demand on localhost.
>
> This is where the YCSB client is running and that is somehow limiting what 
> the client can produce.
>
> So I think maybe throughput is determined by what CPU cycles are available 
> to the ycsb.
>
> Thanks.
>
> On Sunday, February 2, 2014 9:01:47 PM UTC, Aliaksey Kandratsenka wrote:
>>
>>
>>
>>
>> On Sat, Feb 1, 2014 at 4:38 PM, asdf9898 <[email protected]> wrote:
>>
>>> Okay I will try deleting the bucket and creating and then setting 
>>> replicas to zero
>>>
>>> But on the "read" performance : 22,000 records /second: does that seem 
>>> low? 
>>>
>>> This number drops to 14,000 with 2 nodes: does that number seem low?
>>>
>>
>> 22k is not high for sure. But drop to 14k is indeed something interesting 
>> and it doesn't match our understanding of how things should be.
>>
>> Is that with ycsb ported to couchbase or some other benchmark ?
>>
>> -- 
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>
> -- 
> Matt Ingenthron
> Couchbase, Inc.
>

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