Re: Debugging Out of Memory errors, SeeFusion Memory / Active requests graph

2009-11-19 Thread Dominic Watson
An update on this, for my own reference as well as for people googling. I have, following various people's advice, changed the memory profile of our application quite dramatically and I will summarize what I changed and the tools I used to find the problems. I shall properly blog this later, no

RE: Debugging Out of Memory errors, SeeFusion Memory / Active requests graph

2009-11-19 Thread Mark Kruger
Subject: Re: Debugging Out of Memory errors, SeeFusion Memory / Active requests graph An update on this, for my own reference as well as for people googling. I have, following various people's advice, changed the memory profile of our application quite dramatically and I will summarize what I

RE: Debugging Out of Memory errors, SeeFusion Memory / Active requests graph

2009-11-19 Thread brad
Thanks for the good follow up info. I'll be interested in your learning curve for figuring out JConsole. ~Brad Original Message Subject: Re: Debugging Out of Memory errors, SeeFusion Memory / Active requests graph From: Dominic Watson watson.domi...@googlemail.com Date: Thu

Re: Debugging Out of Memory errors, SeeFusion Memory / Active requests graph

2009-11-18 Thread Dominic Watson
Right, so changing Eden memory size had a slight effect on the memory useage pattern (spikes only going up to around 80% instead of 95%), but did not stop the crashing. Getting to grips with JConsole has been really useful / educating. I have been monitoring all three of our live servers

Debugging Out of Memory errors, SeeFusion Memory / Active requests graph

2009-11-16 Thread Dominic Watson
We have had trouble with our cluster of 3 live web servers of late. I have already used SeeFusion to identify a number of problematic pieces of code and have reduced the troubles a great deal. However, there still seems to be an underlying problem that is causing CF to crash out with multiple

RE: Debugging Out of Memory errors, SeeFusion Memory / Active requests graph

2009-11-16 Thread Paul Vernon
and have reduced the troubles a great deal. However, there still seems to be an underlying problem that is causing CF to crash out with multiple instances of the error: unable to create new native thread The specific sequence of files included or processed is: [xxx]

Re: Debugging Out of Memory errors, SeeFusion Memory / Active requests graph

2009-11-16 Thread Dominic Watson
Thanks a lot Paul, I'm getting to grips with JConsole now and looking into the Eden memory settings. I'll be sure to blog about what I find (if its the same problem as yours I'll simply link to your post, init). Dominic 2009/11/16 Paul Vernon paul.ver...@web-architect.co.uk and have