Re: Performance issue 8.5.20 (metaspace related?)

> On 30 Aug 2017, at 01:13, Caldarale, Charles R > wrote: > > Is it possible that the system is getting into swapping? The heap has been > set to 20 GiB, but I didn't see any mention of how much actual memory the > system has. Do you really need a 20 GiB heap?

Re: Performance issue 8.5.20 (metaspace related?)

> On 30 Aug 2017, at 16:38, Suvendu Sekhar Mondal wrote: > > > In Hotspot VM, Full GC will collect "dead" objects/classes from all > the regions(Young, Old, Metaspace/PermGen). In the provided GC log, I > can see that you had triggered Full GCs but Metaspace did not shrunk >

Re: Performance issue 8.5.20 (metaspace related?)

> On 29 Aug 2017, at 14:24, Mark Thomas <ma...@apache.org> wrote: > > On 29/08/17 13:09, Ing. Andrea Vettori wrote: >>> On 29 Aug 2017, at 12:29, Suvendu Sekhar Mondal <suv3...@gmail.com> wrote: >>> >>> On Tue, Aug 29, 2017 at 2:54 PM, Ing.

Re: Performance issue 8.5.20 (metaspace related?)

> On 30 Aug 2017, at 00:16, Christopher Schultz > wrote: > >>> >>> Another thing, is there any way you can measure the processing >>> time in JBoss for each RMI calls? >>> >> >> At the moment I’m not measuring the time on the jboss side but I’m >> considering

Performance issue 8.5.20 (metaspace related?)

collect. CPU usage rarely goes over 10%. Loaded classes between 20k and 40k. Active sessions around 100/120 for each instance. Any help or direction to understand what’s causing this is greatly appreciated. Thank you — Ing. Andrea Vettori

Re: Performance issue 8.5.20 (metaspace related?)

> On 29 Aug 2017, at 14:24, Mark Thomas <ma...@apache.org> wrote: > > On 29/08/17 13:09, Ing. Andrea Vettori wrote: >>> On 29 Aug 2017, at 12:29, Suvendu Sekhar Mondal <suv3...@gmail.com> wrote: >>> >>> On Tue, Aug 29, 2017 at 2:54 PM, Ing.

Re: Performance issue 8.5.20 (metaspace related?)

> On 31 Aug 2017, at 15:24, Suvendu Sekhar Mondal wrote: > > I will suggest that if you have some budget, please get a decent APM > like AppDynamics, New Relic, Dynatrace to monitor your prod system > 24x7x365. Trust me, you will be able to identify and solve this type > of

Re: Performance issue 8.5.20 (metaspace related?)

> On 29 Aug 2017, at 12:29, Suvendu Sekhar Mondal <suv3...@gmail.com> wrote: > > On Tue, Aug 29, 2017 at 2:54 PM, Ing. Andrea Vettori > <a.vett...@b2bires.com> wrote: >> - with a fresh started tomcat instance, the time it takes is around 0,8 >> seconds. Most

Re: Performance issue 8.5.20 (metaspace related?)

> On 31 Aug 2017, at 17:55, Christopher Schultz <ch...@christopherschultz.net> > wrote: > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > Andrea, > > On 8/30/17 4:13 PM, Ing. Andrea Vettori wrote: >>> On 30 Aug 2017, at 00:16, Christopher