RE: OutOfMemory! Tomcat meets sudden spikes of used memory sometimes.

2004-12-10 Thread Shapira, Yoav
Hi, Thank Yoav very much. I will report my ending for the problem. Li Zhenxing No problem, I'm glad to help. These are the interesting problems, to me at least. Especially when the person working on them seems to have a good grip on things, like you do. I look forward to seeing your results

RE: OutOfMemory! Tomcat meets sudden spikes of used memory sometimes.

2004-12-09 Thread Shapira, Yoav
Hi, I think it is a obvious memory leak because the number of request threads doesn't increase and the app hits just is normal when the inflexion of gc figure appreas. So there is a constant load and constant memory usage for a couple of days, and then under the same load the memory usage

Re: OutOfMemory! Tomcat meets sudden spikes of used memory sometimes.

2004-12-09 Thread Li Zhenxing
On Thu, 9 Dec 2004 08:30:26 -0500, Shapira, Yoav [EMAIL PROTECTED] wrote: So there is a constant load and constant memory usage for a couple of days, and then under the same load the memory usage spikes up? No other external parameters change, e.g. the database going down? I don't find other

RE: OutOfMemory! Tomcat meets sudden spikes of used memory sometimes.

2004-12-08 Thread Dale, Matt
The fact that you have the same symptons in tomcat 4 and in 5 points towards your application as being the culprit. Is there any reason why you chose tomcat 5.0.18 instead of one of the many newer releases? I would find another profiler that works with both and try your tests again. Ta Matt

RE: OutOfMemory! Tomcat meets sudden spikes of used memory sometimes.

2004-12-08 Thread Shapira, Yoav
Hi, Besides what Dale said, which is true, I'd like to point out a couple of other additional things. Those memory spikes appear in my Web application for a long time. The odd When a spike appears for a long time it's not a spike: it's the steady state. This is three pictures of the gc log.

Re: OutOfMemory! Tomcat meets sudden spikes of used memory sometimes.

2004-12-08 Thread Li Zhenxing
On Wed, 8 Dec 2004 09:10:02 -0500, Shapira, Yoav [EMAIL PROTECTED] wrote: When a spike appears for a long time it's not a spike: it's the steady state. Yes, it's the steady state. I just aim at the gc figure, the spike. Maybe this word don't discribes the figure exactly. I am sorry for my