Hello, Hope these help (personally I read the last link first, some time ago, just to have some clue on the parameters used in jmeter script, as they come out of the box: .bat for windows or jmeter on linux). However they still should be useful.
http://java.sun.com/performance/reference/whitepapers/tuning.html http://java.sun.com/docs/hotspot/gc1.4.2/faq.html http://fedora.fiz-karlsruhe.de/docs/Wiki.jsp?page=Java%20Heap%20%26%20GC%20Tuning http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html --Adrian S On Fri, Nov 26, 2010 at 8:54 AM, Deepak Goel <[email protected]> wrote: > Hey > > Namaskara~Nalama~Guten Tag > > Some thoughts: > > 1. Looks like you are running your system on a very low end configuration > hardware. Other than that for most systems, 1GB max and min heap size, new > heap size : 256MB, a parallel garbage collector. > > 2. Also there are other parameters for GC which the tuning guide of the > particular vendor should help you. > > 3. Compatibility of the JVM with the OS vendor and all the latest patch > updates. > > 4. It could be also possible your application is quite complex and the GC > has to traverse quite a few network points to free up objects. > > 5. Are there any external systems which are connected to your JVM? > > 6. How about having multiple servers if possible? (Cost is a factor > thought) > > Deepak > -- > Keigu > > Deepak > +91-9765089593 > [email protected] > http://www.simtree.net > > Skype: thumsupdeicool > Google talk: deicool > Blog: http://loveandfearless.wordpress.com > Facebook: http://www.facebook.com/deicool > > "Contribute to the world, environment and more : > http://www.gridrepublic.org > " > > > > On Fri, Nov 26, 2010 at 12:04 PM, Deepak Shetty <[email protected]> wrote: > > > Hi > > > > Usually the Heap Size has the biggest impact - but too high a value gives > > you a larger pause. > > However absent knowledge of the application(and load and hardware) no > > recommendation can be made other than the generic ones which Google can > > tell > > you > > > > regards > > deepak > > > > On Thu, Nov 25, 2010 at 10:27 PM, vineeta vashistha < > > [email protected]> wrote: > > > > > No I am looking for JVM tuning parameters for application server > (Jboss) > > > > > > On Fri, Nov 26, 2010 at 11:51 AM, Deepak Shetty <[email protected]> > > wrote: > > > > > > > Hi > > > > > > > > im assuming you mean your jmeter client is suffering? > > > > > > > > Whats your heap size? How many threads are you running on JMeter? > > > > > > > > Reduce memory consumption by > > > > > > > > > > http://jakarta.apache.org/jmeter/usermanual/best-practices.html#lean_mean > > > > > > > > regards > > > > deepak > > > > > > > > On Thu, Nov 25, 2010 at 10:18 PM, vineeta vashistha < > > > > [email protected]> wrote: > > > > > > > > > I am using jdk.1.6 > > > > > My System is getting paused for 5 minutes at the time of GC. > > > > > > > > > > Please suggest some settings so that system doesn't pause for such > a > > > long > > > > > duration. > > > > > > > > > > Regards, > > > > > Vineeta > > > > > > > > > > > > > > >

