Testing Jetty/Cometd scalability

How have you guys been testing the scalability of jetty and
cometd?
So far htmlUnit and JUnit dont cut it for me since after
more than 500
clients it uses too much ressources. I have been trying
Grinder, but
it I havent been able to connect to a channel and monitor
its traffic.

Any idea is welcome.

Dominique


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http://blogs.webtide.com/gregw/2007/07/22/1185066100
352.html

On Jul 31, 6:00 pm, Dominique <domfo...gmail.com> wrote:
> How have you guys been testing the scalability of jetty
and cometd?
> So far htmlUnit and JUnit dont cut it for me since
after more than 500
> clients it uses too much ressources. I have been trying
Grinder, but
> it I havent been able to connect to a channel and
monitor its traffic.
>
> Any idea is welcome.
>
> Dominique


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http://svn.codehaus.org/jetty-contri
b/jetty/trunk/contrib/cometd/bayeux/src/test/java/org/mortba
y/cometd/client/BayeuxLoadGenerator.java

On Aug 1, 2:07 pm, ybart <ybarthel...gmail.com> wrote:
> http://blogs.webtide.com/gregw/2007/07/22/1185066100
352.html
>
> On Jul 31, 6:00 pm, Dominique <domfo...gmail.com> wrote:
>
> > How have you guys been testing the scalability of
jetty and cometd?
> > So far htmlUnit and JUnit dont cut it for me since
after more than 500
> > clients it uses too much ressources. I have been
trying Grinder, but
> > it I havent been able to connect to a channel and
monitor its traffic.
>
> > Any idea is welcome.
>
> > Dominique


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Hey,
Thanks for the help.

Dominique

On Aug 1, 1:11 pm, ybart <ybarthel...gmail.com> wrote:
> http://svn.codehaus.org/jetty-contrib/je
tty/trunk/contrib/cometd/baye...
>
> On Aug 1, 2:07 pm, ybart <ybarthel...gmail.com> wrote:
>
> >http://blogs.webtide.com/gregw/2007/07/22/1185066100
352.html
>
> > On Jul 31, 6:00 pm, Dominique <domfo...gmail.com> wrote:
>
> > > How have you guys been testing the
scalability of jetty and cometd?
> > > So far htmlUnit and JUnit dont cut it for me
since after more than 500
> > > clients it uses too much ressources. I have
been trying Grinder, but
> > > it I havent been able to connect to a channel
and monitor its traffic.
>
> > > Any idea is welcome.
>
> > > Dominique


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Im getting the following error:

java.io.IOException: Handshake failed: 404

thats for every bayeux client on start.
Before the call to client start(), how is the subscription
to a
channel working if the client is not initialized? A bit
puzzling.
I tried the urls the clients are trying to hit manually, and
i also
get 404.

Is there any configuration i missed? I took the code, added
the
different packages in the jetty folder to my ide project
until
everything was compiling successfully.
Can anybody shed a light on this?
Thanks.

Dominique



On Aug 3, 10:06 am, Dominique <domfo...gmail.com> wrote:
> Hey,
> Thanks for the help.
>
> Dominique
>
> On Aug 1, 1:11 pm, ybart <ybarthel...gmail.com> wrote:
>
> >http://svn.codehaus.org/jetty-contrib/je
tty/trunk/contrib/cometd/baye...
>
> > On Aug 1, 2:07 pm, ybart <ybarthel...gmail.com> wrote:
>
> > >http://blogs.webtide.com/gregw/2007/07/22/1185066100
352.html
>
> > > On Jul 31, 6:00 pm, Dominique
<domfo...gmail.com> wrote:
>
> > > > How have you guys been testing the
scalability of jetty and cometd?
> > > > So far htmlUnit and JUnit dont cut it
for me since after more than 500
> > > > clients it uses too much ressources. I
have been trying Grinder, but
> > > > it I havent been able to connect to a
channel and monitor its traffic.
>
> > > > Any idea is welcome.
>
> > > > Dominique


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The actual main I used for testing needs to be compiled with
the
server, port and url prefix you are using for you server.

I'll make these command line stuff eventually.



Dominique wrote:
> Im getting the following error:
> 
> java.io.IOException: Handshake failed: 404
> 
> thats for every bayeux client on start.
> Before the call to client start(), how is the
subscription to a
> channel working if the client is not initialized? A bit
puzzling.
> I tried the urls the clients are trying to hit
manually, and i also
> get 404.
> 
> Is there any configuration i missed? I took the code,
added the
> different packages in the jetty folder to my ide
project until
> everything was compiling successfully.
> Can anybody shed a light on this?
> Thanks.
> 
> Dominique
> 
> 
> 
> On Aug 3, 10:06 am, Dominique <domfo...gmail.com> wrote:
>> Hey,
>> Thanks for the help.
>>
>> Dominique
>>
>> On Aug 1, 1:11 pm, ybart <ybarthel...gmail.com> wrote:
>>
>>> http://svn.codehaus.org/jetty-contrib/je
tty/trunk/contrib/cometd/baye...
>>> On Aug 1, 2:07 pm, ybart <ybarthel...gmail.com> wrote:
>>>> http://blogs.webtide.com/gregw/2007/07/22/1185066100
352.html
>>>> On Jul 31, 6:00 pm, Dominique
<domfo...gmail.com> wrote:
>>>>> How have you guys been testing the
scalability of jetty and cometd?
>>>>> So far htmlUnit and JUnit dont cut it
for me since after more than 500
>>>>> clients it uses too much ressources. I
have been trying Grinder, but
>>>>> it I havent been able to connect to a
channel and monitor its traffic.
>>>>> Any idea is welcome.
>>>>> Dominique
> 
> 
> > 
> 


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I made some progress but its still not working.
I had configured it (I thought I did) to my server, but I
didnt
realise I need to make it point to a particular webapp, how
stupid.
Now Im getting 500 server error.
I am still confused because when i trace the code, the
member
_formEncoded of BayeuxClient object is never initialised
(always
false) so when a message reaches the CometdServlet it gives
a null
pointer exception since it is not well formed. I changed
that
temporarily to always 'true' just to see what changes, then
the doPost
of the servlet executes fine. However, the response I get
has a
"authSuccessful" key in its map rather than
"successful" as the
onResponseComplete() method of the client is expecting. The
end result
is that the handshake still fails. Even if I modify that
last thing it
doesnt complain but it will not subscribe the client
ultimately.

These things made me wonder if the loader is supposed to
work out of
the box (after specifying which server to point to in the
code), or if
there are some more config to do or some code to change
other than the
obvious.

Anyway, any help is appreciated.

Dominique

On Aug 5, 11:24 pm, Greg Wilkins <gregw.webt...gmail.com> wrote:
> The actual main I used for testing needs to be compiled
with the
> server, port and url prefix you are using for you
server.
>
> I'll make these command line stuff eventually.


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I ran into the same type of errors and just assumed the code
was
obsolete (is it?). Please let me know (or anybody) if you
get this
working.

Higashi

On Aug 13, 5:23 pm, Dominique <domfo...gmail.com> wrote:
> I made some progress but its still not working.
> I had configured it (I thought I did) to my server, but
I didnt
> realise I need to make it point to a particular webapp,
how stupid.
> Now Im getting 500 server error.
> I am still confused because when i trace the code, the
member
> _formEncoded of BayeuxClient object is never
initialised (always
> false) so when a message reaches the CometdServlet it
gives a null
> pointer exception since it is not well formed. I
changed that
> temporarily to always 'true' just to see what changes,
then the doPost
> of the servlet executes fine. However, the response I
get has a
> "authSuccessful" key in its map rather than
"successful" as the
> onResponseComplete() method of the client is expecting.
The end result
> is that the handshake still fails. Even if I modify
that last thing it
> doesnt complain but it will not subscribe the client
ultimately.
>
> These things made me wonder if the loader is supposed
to work out of
> the box (after specifying which server to point to in
the code), or if
> there are some more config to do or some code to change
other than the
> obvious.
>
> Anyway, any help is appreciated.
>
> Dominique
>
> On Aug 5, 11:24 pm, Greg Wilkins <gregw.webt...gmail.com> wrote:
>
> > The actual main I used for testing needs to be
compiled with the
> > server, port and url prefix you are using for you
server.
>
> > I'll make these command line stuff eventually.


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