tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Peter Beichert <pbeich...@web.de>
Subject Re: limit number of connections tomcat accepts
Date Wed, 06 Jan 2010 12:38:08 GMT
Am Mittwoch, 6. Januar 2010 09:15:23 schrieb Mark Thomas:
> On 06/01/2010 08:03, Peter Beichert wrote:
> > Hi,
> >
> > I like to limit the number of connections tomcat (6.0.20) accepts.
> > However, this is not possible.
> >
> > For testing purpose I use the following connector statement:
> >
> > <Connector port="8080" acceptCount="5" maxThreads="3" minSpareThread="1"
> > maxSpareThreads="2" />
> 
> minSpareThread & maxSpareThreads do nothing and will be ignored.
> 
> > Here only 3 threads should process the requests and 5 more requests
> > should be queued.
> >
> > If I start 100 parallel requests to a servlet which does nothing else
> > than waiting 5 seconds, I would expect that only 8 requests would be
> > accepted, the rest should receive a connection refused.
> > However all 100 Requests a accepted and it takes a long time until they
> > finish.
> >
> > I use Debian Linux and have the same behavior with suns jdk1.6.0_17 and
> > the ibm-jdk.
> >
> > I appreciate any help how to solve this problem.
> 
> This works as expected for me using JMeter as the test client. How are
> you testing this?
I used jmeter and in addition I started 100 requests in parallel by a shell-
script with wget. With wget I could observe all the waiting threads. Their 
number got reduced by 3 every 5 seconds. All requests got answered with Status 
200. I did not get any connection refused.
> 
> Mark
> 
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
> 

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
For additional commands, e-mail: users-help@tomcat.apache.org


Mime
View raw message