Re: question on Java / Tomcat / GC

2016-07-14 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 David, On 7/14/16 5:37 PM, David Kerber wrote: > On 7/14/2016 1:41 PM, André Warnier (tomcat) wrote: >> Hi Java GC gurus. >> >> I am coming for a bit of expert advice, not for a problem. >> >> At some customer site, some applications appear to react

Re: question on Java / Tomcat / GC

2016-07-14 Thread David Kerber
On 7/14/2016 1:41 PM, André Warnier (tomcat) wrote: Hi Java GC gurus. I am coming for a bit of expert advice, not for a problem. At some customer site, some applications appear to react somewhat slowly sometimes, although these are not very heavy applications, and traffic on the site is also

Re: question on Java / Tomcat / GC

2016-07-14 Thread Leon Rosenberg
On Thu, Jul 14, 2016 at 9:15 PM, Anthony Biacco wrote: > On Thu, Jul 14, 2016 at 11:41 AM, André Warnier (tomcat) > wrote: > > > > Well, i'm not a GC expert by any stretch of the imagination, but i think > with your PrintGC options the "GC (System.gc())" and the "Full GC > (System.gc())" are the

Re: question on Java / Tomcat / GC

2016-07-14 Thread Mark Thomas
On 14/07/2016 20:15, Anthony Biacco wrote: > Since they're consistent at every hour, the application may be calling the > System.gc That sounds like this bug: https://bz.apache.org/bugzilla/show_bug.cgi?id=53267 Mark - To un

Re: question on Java / Tomcat / GC

2016-07-14 Thread Anthony Biacco
On Thu, Jul 14, 2016 at 11:41 AM, André Warnier (tomcat) wrote: > Hi Java GC gurus. > > I am coming for a bit of expert advice, not for a problem. > > At some customer site, some applications appear to react somewhat slowly > sometimes, although these are not very heavy applications, and traffic

question on Java / Tomcat / GC

2016-07-14 Thread tomcat
Hi Java GC gurus. I am coming for a bit of expert advice, not for a problem. At some customer site, some applications appear to react somewhat slowly sometimes, although these are not very heavy applications, and traffic on the site is also not very high. Amog several other things I'm looking