[erlang-questions] My frustration with Erlang

Edwin Fine <>
Fri Sep 12 18:17:47 CEST 2008


Oh, I see it now, I missed it. An 8-core Mac. Sorry.

On Fri, Sep 12, 2008 at 12:14 PM, Edwin Fine <
> wrote:

> Joel,
>
> What is your hardware configuration? How many cores are available? The
> reason I ask is because some people have seen better performance in certain
> clustering-type Erlang applications by running one VM per core, each VM
> running in +S 1 (non-SMP) mode, instead of using SMP. Have you tried this? I
> couldn't figure that out from what you wrote.
>
> Regards,
> Edwin
>
>
> On Fri, Sep 12, 2008 at 11:55 AM, Joel Reymont <> wrote:
>
>>
>> On Sep 12, 2008, at 3:52 PM, Hynek Vychodil wrote:
>>
>> > Count served requests during some longer period (from minutes, better
>> > quarter of hour up to day(s)) under some "almost constant" load?
>> > Goal is to avoid dynamic load leveling.
>>
>> Here are the stats from a 1k game run with a total of ~5k players,
>> collected on a 10s timer.
>>
>> Elapsed time between collections is always a little over 10 seconds.
>>
>> The first report covers game startup. Lots of requests!
>>
>> Things level off once games start and the load increases again once
>> games start to end and I need to update player balances and things.
>>
>> What does this tell you?
>>
>>        Thanks, Joel
>>
>> ---
>>
>> Simulating gameplay with 1000 games...
>> Waiting for games to end...
>> 50 games started, 262 players
>> 100 games started, 504 players
>> ...
>> 950 games started, 4777 players
>> 1000 games started, 5066 players
>>
>> =INFO REPORT==== 12-Sep-2008::16:34:34 ===
>>     requests: 12132
>>     bytes: 333257
>>     requests_per_second: 1213
>>     bytes_per_second: 33322
>>
>> =INFO REPORT==== 12-Sep-2008::16:34:44 ===
>>     requests: 2012
>>     bytes: 27082
>>     requests_per_second: 200
>>     bytes_per_second: 2702
>>
>> =INFO REPORT==== 12-Sep-2008::16:34:54 ===
>>     requests: 3054
>>     bytes: 41990
>>     requests_per_second: 300
>>     bytes_per_second: 4134
>>
>> =INFO REPORT==== 12-Sep-2008::16:35:39 ===
>>     requests: 2009
>>     bytes: 30349
>>     requests_per_second: 197
>>     bytes_per_second: 2980
>>
>> =INFO REPORT==== 12-Sep-2008::16:35:39 ===
>>     requests: 4161
>>     bytes: 35942
>>     requests_per_second: 415
>>     bytes_per_second: 3592
>>
>> =INFO REPORT==== 12-Sep-2008::16:35:39 ===
>>     requests: 5452
>>     bytes: 48210
>>     requests_per_second: 543
>>     bytes_per_second: 4808
>>
>> =INFO REPORT==== 12-Sep-2008::16:35:44 ===
>>     requests: 7662
>>     bytes: 53124
>>     requests_per_second: 765
>>     bytes_per_second: 5304
>>
>>
>> --
>> wagerlabs.com
>>
>>
>>
>>
>>
>> _______________________________________________
>> erlang-questions mailing list
>> 
>> http://www.erlang.org/mailman/listinfo/erlang-questions
>>
>>
>
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