Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-26 Thread Henri Gomez
You're more than welcome. Thanks Peter. 2006/4/26, Peter Rossbach <[EMAIL PROTECTED]>: > Hi Henri, > > I have tomorrow a talk with Thorsten. > > Steps: > Made a tomcat 5.5 port > english doc > > After these steps we can contribute it easier to ASF and more people > can test it :-) > > Peter > >

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-26 Thread Peter Rossbach
Hi Henri, I have tomorrow a talk with Thorsten. Steps: Made a tomcat 5.5 port english doc After these steps we can contribute it easier to ASF and more people can test it :-) Peter Am 26.04.2006 um 09:13 schrieb Henri Gomez: Well the extra memory could be a penalty, but what I like to s

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-26 Thread Henri Gomez
Well the extra memory could be a penalty, but what I like to see in future Tomcat impl, will be support for many instances ready to massive hosting. There was a thread about this some weeks ago, with a nice piece of code from Germany, wonder what we could do to use it or include it in Tomcat main

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Jess Holle
Costin Manolache wrote: On 4/25/06, Remy Maucherat <[EMAIL PROTECTED]> wrote: Costin Manolache wrote: Not sure what is the plan for commons-modeler, I think it is worth to bring it back to tomcat or fork a separate implementation Modeler is now in the tomcat.util package in the

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Jess Holle
Hmm... Sharing redundant MBeanInfo's shouldn't be that hard to wedge in. Unfortunately, I don't know when I'll have time to take a proper look at this... -- Jess Holle Remy Maucherat wrote: Costin Manolache wrote: Not sure what is the plan for commons-modeler, I think it is worth to bring

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Costin Manolache
On 4/25/06, Remy Maucherat <[EMAIL PROTECTED]> wrote: > Costin Manolache wrote: > > Not sure what is the plan for commons-modeler, I think it is worth to > > bring it back to tomcat or fork a separate implementation > > Modeler is now in the tomcat.util package in the new repository, so you > can t

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Jess Holle
Costin Manolache wrote: I have to disagree with any statement like this - nobody can decide that his use case is the 'main' use case for tomcat. Yes, tomcat is used in a lot of production environments where speed and manageability are important. But it is also used by developers ( and I suspect

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Preston L. Bannister
So ... rather than something small and fiesty ("Tomcat") perhaps the name should be mega-gozo-zilla-raptor-cat, or similar? Truth in advertising. :) On 4/25/06, Jess Holle <[EMAIL PROTECTED]> wrote: > > Remy Maucherat wrote: > [snip] > > It is completely irrelevant compared to the memory usage o

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Remy Maucherat
Costin Manolache wrote: Not sure what is the plan for commons-modeler, I think it is worth to bring it back to tomcat or fork a separate implementation Modeler is now in the tomcat.util package in the new repository, so you can try to improve it if you'd like to. One first change I made is tha

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Costin Manolache
I have to disagree with any statement like this - nobody can decide that his use case is the 'main' use case for tomcat. Yes, tomcat is used in a lot of production environments where speed and manageability are important. But it is also used by developers ( and I suspect for each production site y

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Jess Holle
Remy Maucherat wrote: Abhi Karmos wrote: Has anybody looked in the code where the DescriptorSupport class is used? 22 thousand of these things is simply absurd. Nearly 100 thousand DescriptorSupport.ValueHolder objects is even crazier. My guess is that the HashMap usage is related to the Descr

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Remy Maucherat
Abhi Karmos wrote: Has anybody looked in the code where the DescriptorSupport class is used? 22 thousand of these things is simply absurd. Nearly 100 thousand DescriptorSupport.ValueHolder objects is even crazier. My guess is that the HashMap usage is related to the DescriptorSupport. It is c

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Jess Holle
Hmm... So model MBeans are not such a pancea after all :-) They're certainly the most complex and unapproachable form of MBean, which Commons Modeler tries to address, of course. I alway suspected that they had an overtly heavy nature at runtime, though -- and it appears that there is some t

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-25 Thread Abhi Karmos
Hi all, Following up on this thread, we took a dump of the heap running tomcat 5.5. There is no good reason for JMX to consume 9-10 Meg. 97,236 5,178,736 array of char 25,494 3,463,312 array of java/util/HashMap$Entry 105,908 3,389,056 java/util/HashMap$Entry 98,510 3,152,320

Re: Memory usage Tomcat 3.3 vs 5.5

2006-04-19 Thread Henri Gomez
We're also using TC 3.3 on our production systems and are switching to TC 5.5. The memory penalty is real but you'll be using up to date and actively maintained stuff with TC 5.5. Also you could try to reduce the AJP13 / HTTP 11 threads and remove some JMX Listeners 2006/4/19, Abhi Karmos <[EMAI

Memory usage Tomcat 3.3 vs 5.5

2006-04-19 Thread Abhi Karmos
Hello all, Sorry, could not find an answer on tomcat-users. We run tomcat inside an embedded system and we are planning to upgrade the tomcat version from 3.3.1 to 5.5.16. We noticed that the memory footprint of a barebones tomcat 5.5 installation is 44 MB. Plain and simple Tomcat 3.3 used to ru