Hi Daniel,

I am using erlang to do the http request to the php file coming from the
Controller Demo.
I only created a simple loop which does multiple http request which also
actually a loop.
each http request will wait the previous to be finished and got response
before start.
after a multiple request loop finished, it will sleep for some interval then
start another multiple request loop.

>From yesterday, I was testing by executed 10,000 loop for 5000 requests each
and sleeping 5 seconds for each loop.
it already stopped twice, meaning just halt without any information/response
from the server side.

first one stopped at loop number #4295, request number 2000 something. I
just stop and start again the APE server, and the loop continues.

the second one stopped at loop #4476, request number 2917. I noticed some
movements, but very slow. The memory seems bloated to 704MB

The erlang program and ape server are running in different machines.

Let me know if you want to know more details. Thanks.

Best Regards,
Teguh Eko Budiarto
System - Development Team
Brastel Co., Ltd.
+81 (3) 5637-5393


On Thu, Jan 28, 2010 at 6:02 PM, D. Dahlke <[email protected]> wrote:

>  Hi Teguh Eko Budiarto,
>
> i would like to know how is your performance test environment excactly.
> Whihc tools do you use to connect to ape and stay connected as the web
> browser does?
>
> regards,
> daniel
>
>
> Am 27.01.2010 14:58, schrieb Teguh Eko Budiarto:
>
> Hi Anthony,
>
>  I look at your suggestion to fine tune the kernel, but that's not where I
> am going right now.
>
>  I was experiencing request (only from 1 connection) without any response,
> but did not know what was going on. Last time I was running loop for 100,000
> simple messages sending to the server from 1 connection and it was ok the
> first time, but the second time it was broke at 30,000 something.
>
>  Currently I am running more tests with 10,000 loop of 5000 messages using
> 1 connection for each 5 seconds intervals, I hope it will be ok until it
> finished.
>
>  I really would like to know what happened in the server if it stuck again
> and maybe find some way to fix/solve it. Is there any plans to make the logs
> from the APE server more verbose?
>
> Best Regards,
> Teguh Eko Budiarto
>
>
>
> On Mon, Jan 25, 2010 at 10:48 PM, Anthony Catel <[email protected]>wrote:
>
>>
>> Hi,
>>
>>  Thanks a lot for your quick answer.
>>
>>  - What version are you currently stressing? (1.0 or the github version)
>> I was using the 1.0, currently based on <efyx> suggestion from irc, I am
>> currently testing the github version and can send 30,000 messages at a time.
>> After that, I want to test the concurrency with a lots of user test. Thanks
>>
>>  You should try the 1.01dev (github). Btw what transport your clients are
>> using? (long polling, xhrstreaming, other?)
>>
>>
>>
>>  - Did you enabled spidermonkey module?
>> I haven't, should I ?
>>
>>  If you don't need it, no :)
>>
>>
>>  I will take a look on the tune hints you suggested. I will let you know
>> my updates.
>>
>>  Cheers,
>> Teguh Eko Budiarto
>>
>>
>> On Mon, Jan 25, 2010 at 10:15 PM, Anthony Catel <[email protected]>wrote:
>>
>> Hi,
>>
>> - What version are you currently stressing? (1.0 or the github version)
>> - Did you enabled spidermonkey module?
>>
>> Indeed, there is some value to tune on your kernel such as :
>>
>> - /proc/sys/net/core/somaxconn
>> - /proc/sys/net/netfilter/nf_conntrack_max
>> - /proc/sys/net/ipv4/tcp_*
>>
>> You may also look at the rlimit_nofile value in ape.conf)
>>
>> Please let me know if you find other value to tune ;)
>>
>> Anthony C.
>>
>> Le 25/01/10 14:07, Teguh Eko a écrit :
>>
>> Hi,
>>
>> I was doing some load test to the ape-server using a Core2 Quad Q9505
>> 2.83GHz machine with 4GB of memory.
>>
>> When I did until 5000 requests at a time, it was fine. But, when I did
>> for 8000 requests at a time, the server stopped to responding, even
>> though my CPU load was still at 25% of full capacity. When I check the
>> APE server status also was still online (OK).
>>
>> When I checked the log, there was no explanation about what happened
>> to the server. It only logged the incoming request I just restarted
>> the server and it can start to receive new requests again. Previous
>> requests was gone.
>>
>> The questions are:
>> 1. How do we calculate the server capacity for the maximum loads it
>> can handle?
>>
>> 2. APE claims can handle up to 100,000 requests in single machine, but
>> for mine it started to to get stuck only with 8000 requests. Did I
>> need to do some tuning in the settings? in which file do I need to set
>> the settings?
>>
>> 3. Log file of APE doesn't explain any information related to the
>> server error, is there any settings need to be change to make it
>> produce more detailed log?
>>
>> Cheers,
>>
>>
>> additional info: below are the log content (/var/log/ape.log)
>> 2010-01-22 15:27:29 - src/entry.c:183 - APE starting up - pid : 21837
>> 2010-01-22 15:27:29 - src/entry.c:242 - Starting daemon
>> 2010-01-22 15:28:07 - src/users.c:180 - New user - (ip : 192.168.4.40)
>> 2010-01-22 15:28:15 - src/users.c:180 - New user - (ip : 192.168.4.40)
>> 2010-01-22 15:28:38 - src/users.c:180 - New user - (ip : 192.168.4.40)
>> 2010-01-22 15:41:12 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 15:44:18 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 15:44:50 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 15:49:53 - src/users.c:180 - New user - (ip : 192.168.4.40)
>> 2010-01-22 15:55:29 - src/users.c:180 - New user - (ip : 192.168.4.40)
>> 2010-01-22 15:55:39 - src/users.c:180 - New user - (ip : 192.168.4.40)
>> 2010-01-22 16:38:52 - src/users.c:180 - New user - (ip : 192.168.4.40)
>> 2010-01-22 18:44:27 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 18:46:33 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 18:47:04 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 18:47:36 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 18:47:45 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 18:47:46 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 18:47:47 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 18:47:57 - src/users.c:180 - New user - (ip : 192.168.4.37)
>> 2010-01-22 18:48:17 - src/users.c:180 - New user - (ip : 192.168.4.37)
>>
>>
>>
>>
>>
>>
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