Re: Heap size rule for Tomcat 5.5

2010-02-06 Thread evebill8
Got it! My app is very read intensive so I try to cache lots of objects into the RAM. Therefore, I like to allocate more RAM to the heap since RAM is cheap now. Thanks for your advise! Billy Peter Crowther wrote: > > On 5 February 2010 18:05, evebill8 wrote: > >> Cool! I just want to con

Re: Heap size rule for Tomcat 5.5

2010-02-06 Thread Peter Crowther
On 5 February 2010 18:05, evebill8 wrote: > Cool! I just want to confirm if the rule is right. My IT guy also does > not > believe it. > > It wasn't a bad rule of thumb as a place from which to start tuning when typical server memory sizes were 0.5G to 2G - it reserved "sort-of enough" RAM for

Re: Heap size rule for Tomcat 5.5

2010-02-05 Thread evebill8
Cool! I just want to confirm if the rule is right. My IT guy also does not believe it. Billy Christopher Schultz-2 wrote: > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Evebill8, > > On 2/5/2010 1:08 AM, evebill8 wrote: >> I heard the rule to set the Tomcat's heap size is 2/3 of t

Re: Heap size rule for Tomcat 5.5

2010-02-05 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Evebill8, On 2/5/2010 1:08 AM, evebill8 wrote: > I heard the rule to set the Tomcat's heap size is 2/3 of the memory. I agree with Chuck: this sounds like malarkey. Whoever told you that doesn't know what they're talking about. The rule for any Java

RE: Heap size rule for Tomcat 5.5

2010-02-04 Thread Caldarale, Charles R
> From: evebill8 [mailto:evebi...@hotmail.com] > Subject: Heap size rule for Tomcat 5.5 > > I heard the rule to set the Tomcat's heap size is 2/3 of the memory. That sounds like nonsense. The minimum size of your heap is whatever you need to handle the expected load on your applications. The m