RE: Free Memory Dropping At Idle
> From: Randall Smith [mailto:rand...@tnr.cc] > Subject: Free Memory Dropping At Idle > > After the processing is complete, the free memory as reported > by Tomcat cycles down, each time having a lower peak and valley > until it almost reaches 0. Then when it's about to hit 0 M, > it's all freed up. What you're describing is perfectly normal behavior - that's the way garbage collection works. You only have a leak if the heap space in use immediately after a full GC appears to be increasing over time. - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Free Memory Dropping At Idle
I suspect a memory leak in an application I'm running on Tomcat 6.0.26
and Sun Java 1.6.0_12. After a file is posted, the application responds
('your file is uploaded blah blah'), then processes the file in a
thread. After the processing is complete, the free memory as reported
by Tomcat cycles down, each time having a lower peak and valley until it
almost reaches 0. Then when it's about to hit 0 M, it's all freed up.
Please note that there is no load on Tomcat while this is happening
except for the stats request from the Tomcat manager.
Max is 512 M
-- Free Memory After Job Completion --
256 M
254 M
...
130 M
250 M
248 M
...
120 M
240 M
Until Total Memory == Max Memory and Free gets close to 0 M. At that
point, nearly all the memory is freed.
12 M
10 M
...
2 M
471 M
Any idea what might cause this behavior?
Randall
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