Perhaps, you should take the time to decide on a single implementation and
actually try to figure out what's going on.

I don't really think any of the benchmarks you've posted  are indicative of
performance for the specific software suite they are benchmarking.


On Thu, Apr 12, 2012 at 3:32 PM, timp <[email protected]> wrote:

> Hey there, I bring a few updates.
> Which may be more an insight into compulsive programmer behavior than
> anything else :-)   However:
>
> So yesterday I thought, well, let's see if I just use nodeJS as the front
> end, and use java as the backend.
>
> So what I did, was use "gear man" to create a work queue, which I wrote
> into via nodeJS and then had a worker process consuming those tasks and
> writing back results.
>
> (if you think to yourself, well this just sounds stupid, I sort of agree.)
>
> Anyhow, when I shifted the work to the java, I was able to get the
> throughput up to 160 rps .. For "full" login.  This means a full
> journal/shop/etc...
> Which is about 1.5 * more data than I was doing for the 120 rps in nodeJS.
>  (because I had clipped, and gotten rid of partial datasets)
>
> So yesterday, I thought to myself.  OK.  This will be fine.
>
> ---
>
> But then today, I thought to myself, "this is just stupid. Using a worker
> queue should be SLOWER than using a epoll/kqueue whatnot.
> I just don't get why grails would be so much slower than nodeJS in front
> of a work queue in front of java."
>
> So, I thought to myself, let's see if I can get rid of grails.
>
> At first I was going to use, yet another framework, one called "play" but
> after reading their forums, filled with complaints, I thought, ahhh, why am
> I even using a framework?
>
>
> And in the last few hours I made a JSP, Web project in eclipse, got it
> deployed to Tomcat, and
>
> WALAH!!!!
>
> Requests per second:    351.33 [#/sec] (mean)
> Full data.
>
> 10 times faster than grails.  (wtf is grails doing?)
> 4 times faster than nodeJS.
>
>
> I'm not sure what this means.
> I guess it means, if anyone is reading this, having similar performance
> issues with basically a REST/JSON service.
> Maybe it would be better to skip *all* of the frameworks.
>
>
> Anyway.
>
> I would still rather have LVMM pages.
>
> It was fun doing the async + callbacks.  Although I will not miss having
> no compile time checking.
>
> Regards,
>
> -tim
>
>
> On Wednesday, April 11, 2012 8:36:28 AM UTC-4, christkv wrote:
>>
>> if perf is dropping over time I suspect a possible memory leak causing
>> the gc to have to go through longer and longer of uncollectable items.
>>
>> it might be worth just writing a simple test app dropping mongoskin
>> and hitting the driver directly.
>>
>> On Apr 11, 12:12 am, timp <[email protected]> wrote:
>> > Oh well, thanks for your responses so far.
>> >
>> > If anyone has any real world experiences with scaling and using nodeJS,
>> I
>> > would be interested in how you set up things computationally.
>> >
>> > Did you actually have the nodeJS perform work?  Or just fetch results?
>> >
>> > If just fetch results, what did you use on your back end?
>> >
>> > Especially, did you even use a framework?
>> >
>> > For instance I can see having maybe 50 workers in java/c#/c++ sitting
>> on
>> > queues, waiting for requests and feeding them back results.
>> >
>> > But, I'm interested in what someone says who has actually done it.
>> >
>> > -tim
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > On Tuesday, April 10, 2012 5:57:01 PM UTC-4, timp wrote:
>> >
>> > > (I think) I just tried the native bson with the pages
>> >
>> > > or at least I did this:
>> >
>> > > pm install mongodb --mongodb:native
>> > > seemed to compile things
>> >
>> > > the mongoskin says it will use it if it is there
>> >
>> > > tests are coming out about the same.  +/- 5 fps
>> >
>> > > On Tuesday, April 10, 2012 5:46:38 PM UTC-4, Jann Horn wrote:
>> >
>> > >> Am Dienstag, den 10.04.2012, 10:15 -0700 schrieb timp:
>> > >> > But at the same time, I am truly annoyed at how slow these web
>> > >> > servers/frameworks are.
>> >
>> > >> Me too. :D
>> >
>> > >> I have a small node.js proxy running here, and even when it's just
>> > >> piping through a youtube video (using the normal Stream pipe method)
>> > >> between the browser and youtube, nodes CPU usage goes way over 10%.
>> It
>> > >> takes half of what flash uses.
>> >
>> > >> Well, and if you look closer, you can see that e.g. 15% of the time
>> are
>> > >> spend with write completion callbacks which are probably nearly
>> never
>> > >> used. Still, each completed write means that there's a call from C++
>> > >> land into JS land, a bunch of JS code and a call from JS to C++
>> (resume
>> > >> input).
>> >
>> > On Tuesday, April 10, 2012 5:57:01 PM UTC-4, timp wrote:
>> >
>> > > (I think) I just tried the native bson with the pages
>> >
>> > > or at least I did this:
>> >
>> > > pm install mongodb --mongodb:native
>> > > seemed to compile things
>> >
>> > > the mongoskin says it will use it if it is there
>> >
>> > > tests are coming out about the same.  +/- 5 fps
>> >
>> > > On Tuesday, April 10, 2012 5:46:38 PM UTC-4, Jann Horn wrote:
>> >
>> > >> Am Dienstag, den 10.04.2012, 10:15 -0700 schrieb timp:
>> > >> > But at the same time, I am truly annoyed at how slow these web
>> > >> > servers/frameworks are.
>> >
>> > >> Me too. :D
>> >
>> > >> I have a small node.js proxy running here, and even when it's just
>> > >> piping through a youtube video (using the normal Stream pipe method)
>> > >> between the browser and youtube, nodes CPU usage goes way over 10%.
>> It
>> > >> takes half of what flash uses.
>> >
>> > >> Well, and if you look closer, you can see that e.g. 15% of the time
>> are
>> > >> spend with write completion callbacks which are probably nearly
>> never
>> > >> used. Still, each completed write means that there's a call from C++
>> > >> land into JS land, a bunch of JS code and a call from JS to C++
>> (resume
>> > >> input).
>> >
>> > On Tuesday, April 10, 2012 5:57:01 PM UTC-4, timp wrote:
>> >
>> > > (I think) I just tried the native bson with the pages
>> >
>> > > or at least I did this:
>> >
>> > > pm install mongodb --mongodb:native
>> > > seemed to compile things
>> >
>> > > the mongoskin says it will use it if it is there
>> >
>> > > tests are coming out about the same.  +/- 5 fps
>> >
>> > > On Tuesday, April 10, 2012 5:46:38 PM UTC-4, Jann Horn wrote:
>> >
>> > >> Am Dienstag, den 10.04.2012, 10:15 -0700 schrieb timp:
>> > >> > But at the same time, I am truly annoyed at how slow these web
>> > >> > servers/frameworks are.
>> >
>> > >> Me too. :D
>> >
>> > >> I have a small node.js proxy running here, and even when it's just
>> > >> piping through a youtube video (using the normal Stream pipe method)
>> > >> between the browser and youtube, nodes CPU usage goes way over 10%.
>> It
>> > >> takes half of what flash uses.
>> >
>> > >> Well, and if you look closer, you can see that e.g. 15% of the time
>> are
>> > >> spend with write completion callbacks which are probably nearly
>> never
>> > >> used. Still, each completed write means that there's a call from C++
>> > >> land into JS land, a bunch of JS code and a call from JS to C++
>> (resume
>> > >> input).
>
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-- 
-- 
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Co-founder and Chief Evangelist
Nodejitsu, Inc.
[email protected]

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