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From "Piotr Stanek" <piotr.sta...@icsolutions.com.pl>
Subject Problem with memory management useing tomcat
Date Thu, 06 Feb 2003 11:06:34 GMT
Hi!

I have a problem with memory managament. I have an application (content management of art
portal) running on tomcat 4.1.18 and useing mysql 3.23.
The application is running on a linux server (Redhat 7.1, RAM 512 Mb).
I run tomcat with options -Xmx64 -Xms32 and after one day of running the application (30,000
visits) the system is going slower and slower.
Finally I have some exceptions "Out of memory". 
Tomact use about 128 Mb, mysql about 64 Mb and the rest of memory is used in "cached memory".

The meminfo file:

        total:    used:    free:  shared: buffers:  cached:
Mem:  525697024 452603904 73093120        0 41660416 193277952
Swap: 542826496   172032 542654464
MemTotal:       513376 kB
MemFree:         71380 kB
MemShared:           0 kB
Buffers:         40684 kB
Cached:         188708 kB
SwapCached:         40 kB
Active:         318668 kB
Inact_dirty:     18444 kB
Inact_clean:     75728 kB
Inact_target:    82568 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       513376 kB
LowFree:         71380 kB
SwapTotal:      530104 kB
SwapFree:       529936 kB

Any ideas what may cause this problem?  


Thanks,

Peter
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