Re: [OT] Tomcat unexpectedly shuts down

2010-08-10 Thread André Warnier
Ok guys, my curiosity is satisfied in the absolute, and I know understand why one /could/ need a very large Heap size. I would still like to hear the OP's answer however. His questions led me to believe that he wasn't quite sure how much memory he needed just to run Tomcat. Maybe he was horrib

RE: [OT] Tomcat unexpectedly shuts down

2010-08-10 Thread Caldarale, Charles R
> From: Christopher Schultz [mailto:ch...@christopherschultz.net] > Subject: Re: [OT] Tomcat unexpectedly shuts down > > N.B. I was unable to get a predictable maximum heap size when > running with -Xmx: You'll need to set -Xms and -Xmx to the same value if you

Re: [OT] Tomcat unexpectedly shuts down

2010-08-10 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 André, On 8/10/2010 5:31 PM, André Warnier wrote: > It is just that 3000 MB is *a lot* of bytes (3,145,728,000 of them). Yup. 3000MiB is even bigger (3,221,225,472 of them), and what you'll get from the JVM. (See below) > Which means that each time

Re: [OT] Tomcat unexpectedly shuts down

2010-08-10 Thread David Fisher
Hi Andre, > So I am not objecting to using 3000 MB of Heap, I am just curious. > If someone like Eric Robinson can run a non-trivial multi-user Tomcat > application with an average 64 MB of Heap and you can do pretty much the > same, then I am curious as to which Tomcat application (or situation

Re: [OT] Tomcat unexpectedly shuts down

2010-08-10 Thread André Warnier
Christopher, I have no fundamental contest with anything you say below (except one, see in text). It is just that 3000 MB is *a lot* of bytes (3,145,728,000 of them). It is, for example, the number of letters contained in 3,000 books, each of 500 pages. So even if you had 3,000 users, it would

Re: [OT] Tomcat unexpectedly shuts down

2010-08-10 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 André, On 8/9/2010 6:20 PM, André Warnier wrote: > I must say that your 3000 MB of Heap kind of makes my head spin. What > kind of application are you running that you would think you need as much ? Are you saying that "___ of memory ought to be eno