I just commented on the JIRA.
https://issues.apache.org/jira/browse/OPENEJB-786. Would like your
opinion on this David.
Thanks
Manu
On Sat, Mar 29, 2008 at 1:43 PM, puneetjain <[EMAIL PROTECTED]> wrote:
>
> Hi David,
>
> Thanks for your support. I am sending you the test I have performed to
> verify the pool size:
>
> Steps Performed:
> ============
> 1. I have written a with the session bean given below:
> 2. Pool Size configuration in var/config/config.xml
>
> <gbean name="DefaultStatelessContainer">
> <attribute name="properties">TimeOut 120000
> PoolSize 100
> StrictPooling true</attribute>
> </gbean>
>
> 4. Deployed the application on Geronimo Server.
> 3. I made 300 concurrent request with 2 loops using Jmeter.
>
> What I observed that around 150 instance of the session bean were created.
> There were 150 PostConstruct's SOP statements printed on the console, but a
> single PreDestroy's SOP.
>
> SOP log is attached below.
>
> Session Bean:
> ==========
> @Stateless
> public class MySessionBean implements SessionBeanRemote {
> private static int _instanceCount = 0;
> private int serialNo;
> public MySessionBean(){
> _instanceCount += 1;
> serialNo = _instanceCount;
> System.out.println("Instance No: >>> " + _instanceCount);
> }
>
> private String doSomething(String reverseWord) {
> System.out.println("serialNo >> " + serialNo);
> .....
> .....
> Some code which will take some time to be processed.
> .....
> .....
> }
>
> protected void finalize() throws Throwable {
> System.out.println("Finalize method of Serial No " + serialNo);
> }
>
> @PostConstruct
> public void postConstructCallback()
> {
> System.out.println("PostConstruct - Serial No: " + serialNo);
> }
>
> @PreDestroy
> public void preDestroyCallback()
> {
> System.out.println("PreDestory - Serial No: " + serialNo);
> }
> }
>
> Console Log:
> =========
> I am attaching the console output log file:
> http://www.nabble.com/file/p16367333/geronimo.out geronimo.out
>
> As per the log file the number of bean created is 150. But the size of the
> pool is 100 only and StrictPooling is true. That mean the number of bean
> created is more than the pool size which should not be done.
>
> Please help to resolve this problem.
>
> Thanks,
> Puneet
>
>
>
>
>
>
>
> David Blevins wrote:
> >
> > Hi Puneet,
> >
> > Setting PoolSize to 100 and StrictPooling to true should do exactly
> > what you want (i.e. block requests in a wait state till one of the 100
> > instances are returned to the pool). If this isn't working it's
> > definitely a bug.
> >
> > What technique are you using to determine more than 100 instances are
> > created? If you can attach a test that reproduces the issue it will
> > help us verify and fix the problem. I've opened Jira issue at:
> >
> > http://issues.apache.org/jira/browse/OPENEJB-786
> >
> >
> > -David
> >
> >
> > On Mar 28, 2008, at 8:06 AM, puneetjain wrote:
> >>
> >> Hi,
> >>
> >> I have written a Stateless Session Bean and trying to deploy on
> >> Geronimo
> >> Server, which interns uses OpenEJB. I am trying to configure the the
> >> Stateless Session Bean Instance Pool. Regarding This I have following
> >> issues:
> >>
> >> Question1:
> >> =======
> >>
> >> How to configure the Stateless Session Bean Instance Pool size with
> >> "x" no
> >> of bean to at the startup of the server?
> >>
> >> Question2:
> >> ========
> >> I have tried below configuration:
> >>
> >> <module name="org.apache.geronimo.configs/openejb/2.0.2/car">
> >> <gbean name="EJBNetworkService">
> >> <attribute name="port">${OpenEJBPort + PortOffset}</
> >> attribute>
> >> <attribute name="host">${ServerHostname}</attribute>
> >> </gbean>
> >> <gbean name="DefaultStatelessContainer">
> >> <attribute name="properties">TimeOut 120000
> >> PoolSize 100
> >> StrictPooling true</attribute>
> >> </gbean>
> >> </module>
> >>
> >> I want to restrict the pool size to 100 i.e. if there are more than
> >> 100
> >> requests come, only 100 requests will be served. Rest of the
> >> requests would
> >> be waiting until a bean gets free. No more than 100 beans should be
> >> instantiated to serve the requests.
> >>
> >> With the above configuration the number of instantiate beans is more
> >> than
> >> the pool size.
> >>
> >> Environment:
> >> =========
> >> OS: Redhat Enterprise Linux 4
> >> Application Server: Geronimo 2.0.2 with tomcat distribution
> >> EJB 3.0
> >> OpenEJB 2.0.2 (As per mention in the configuration
> >> "org.apache.geronimo.configs/openejb/2.0.2/car")
> >>
> >> Please help me to resolve the problem. Any reply will be appreciated.
> >>
> >> Thanks,
> >> Puneet
> >>
> >> --
> >> View this message in context:
> >>
> http://www.nabble.com/Query-Regarding-Stateless-Session-Bean-Instance-Pool-Configuration-tp16350835p16350835.html
> >> Sent from the OpenEJB User mailing list archive at Nabble.com.
> >>
> >>
> >
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/Query-Regarding-Stateless-Session-Bean-Instance-Pool-Configuration-tp16350835p16367333.html
>
>
> Sent from the OpenEJB User mailing list archive at Nabble.com.
>
>
