Christopher Schultz wrote:
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Hermes,
On 1/16/13 3:07 PM, Hermes Flying wrote:
I believe acceptCount can not work with value 0 because if I am
not wrong, the acceptCount is the value passed as backlog in the
ServerSocket constructor. According to javadoc if the backlog
value is less than or equal to 0, then a default value is used
instead which is 50. So acceptCount=0 does not mean that backlog
queue does not queue anything. That is why I used the value 1
instead.
Fair enough.
Also when I say I was expecting a network failure (bad terminology)
I meant that the client would get a failure in the TCP attempt to
connect.
Okay.
Also I used maxThreads=0 and the server worked fine. Did not see
any problem in my applications. Did not check the logs though. I
assumed that perhaps 0 would be set to some default value. Can not
answer about your observation. It also makes me wonder.
Sure you can answer about my observation: look at your log files.
Finally concerning my test setup, I need to configure Tomcat to
limit the amount of concurrent client requests accepted.
I understand that from reading your initial post.
I need to configure it so that e.g. 300 concurrent clients can
connect but the 301 will not be able to connect (not queued by OS
either). That client will see a failure to connect to server in
TCP level.
I understand your requirements (though I think they are silly).
Do you need more info on this?
I was asking about your test setup. You said you made 2 simultaneous
requests with what seems to be an effective throughput of 2
simultaneous requests (1 in-process and 1 in the queue) and were
surprised that you got responses. I was not surprised. Are you still
surprised?
Next, how are you making those two simultaneous requests
(specifically: like, are you using some tool to do it or did you write
your own code)? What happens if you have maxThreads=1 and
acceptCount=1 and you make 10 simultaneous requests? 100?
Quite a few messages ago, I asked the OP if he could copy/paste his server.xml.
The reason was that if his config uses an Executor, then I believe the Threads settings in
the Connectors don't really matter, do they ?
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