Dear Johnathan,
Thanks for the reply.
Currently we are running a test with 20K users. I will surely
check with telnet in case we face any problems during this test case
Regards,
Sudeep Sunthankar.
On Nov 18, 9:00 pm, Johnathan Leppert <[email protected]>
wrote:
> What is the behavior when you connect to APE using something like nc or
> telnet? Does it connect and just not respond?
>
> Thanks,
>
> Johnathan
>
> On Thu, Nov 18, 2010 at 4:27 AM, Sudeep S <[email protected]> wrote:
> > Dear Johnathan,
>
> > My test client is located on a different machine and the ulimit
> > command gives me a response saying 'unlimited', Also in the ape.conf
> > file I have set the value of rlimit_nofile value to 99999, and I don't
> > get the socket error. To test the socket error we had tried keeping
> > the value of rlimit_nofile as 10000, and we did get it, but in the
> > above case I'm not getting any such error
>
> > Thanks,
> > Sudeep Sunthankar
>
> > On Nov 18, 12:03 pm, Johnathan Leppert <[email protected]>
> > wrote:
> > > Are you doing testing from another machine? Because of the large numbers
> > of
> > > file descriptors open, its advisable to do testing on another machine.
>
> > > Also, make sure to set your ulimit to a high value. Check your syslog for
> > > messages like the following:
>
> > > socket: Too many open files (24)
>
> > > which indicates the system has run out of available sockets (file
> > > descriptors).
>
> > > Johnathan
>
> > > On Thu, Nov 18, 2010 at 12:53 AM, Sudeep S <[email protected]>
> > wrote:
> > > > Dear APE Team,
>
> > > > I am using the functionality of inlinepush for my application.
> > We
> > > > are
> > > > expecting 50K users at any time to be using our application.
>
> > > > I was doing a load testing with 10K users initially for the
> > same.
> > > > For testing I have written a client application which spawns 10K
> > > > threads.Each thread does the foll which is exactly how our application
> > > > will work
> > > > 1) Connects to the APE server on
> > > >http://0.ape
>
> > .<domain>.com:80?[{"cmd":"CONNECT","chl":1,"params":{"param1":"value1","param2":"value2","param3":"value3","param4":"value4","param5":"value5"}}]]
> > > > 2) Validate the above parameters at the server end and
> > > > authenticating them by sending the request to another URL (using
> > > > Http.js on server end for the same)
> > > > 3) On authentication each thread creates a new channel.
> > > > 4) Each thread then connects to ape server and checks if
> > any
> > > > message
> > > > is there on its channel or not. After every 25s the each thread sends
> > > > another request to check the same.
>
> > > > We are sending messages once every 2 hours (In real application
> > the
> > > > frequency will be less every 2 mins or so and we will be using a
> > > > script similar to the Php bundled with inline push demo).All the
> > > > thread are able to receive their own messages properly.
> > > > Our load testing runs works smoothly for 19-20 approx hours with
> > 10K
> > > > users and all the channels are created. But after that the APE server
> > > > stops responding, surprisingly when I check the process listing, it
> > > > shows me that APE is still running and also the PID is present in /
> > > > proc file.
> > > > During peak times of load testing, we are having 14-15 K http
> > > > connections out of which 13-14K are in ESTABLISHED state.
>
> > > > My server configruations are as follows
> > > > OS:- CentOS release 5.4 (Final) 32 bit
> > > > Kernel:- Linux 2.6.18-164.el5PAE
> > > > APE Version:- 1.0
> > > > Server Side JS:- mootools.js; Http.js; utils.js; inlinepush.js
> > > > Also I have came across a performance tuning post in the google
> > > > groups specifying tuning of sysctl and other TCP based parameters.
>
> > > > We are currently using all default values for the same. It
> > > > would be really great if you can share some sysctl parameters using
> > > > which I can ramp up my testing scenario till 50K users, We wish to
> > > > keep the tests running for maximum 24-30 hours.
>
> > > > Thanking You,
>
> > > > Regards,
> > > > Sudeep Sunthankar
>
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>
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