From: Robinson, Eric [mailto:eric.robin...@psmnv.com]
Subject: Understanding Tomcat Memory Utilization
Can someone help me understand why tomcat is configured to
use 64MB, but claims to peak at 48MB
Because that's all it needs to initialize. Unless you set -Xms == -Xmx, the
JVM starts out
Welcome to paging.
I understand the difference between virtual image size and resident
size. The part I don't understand is the relationship between the tomcat
memory configuration as reported by the tomcat status page and the
actual usage as reported by top. Tomcat says it is configured to
Welcome to paging.
I understand the difference between resident size and virtual image.
What I don't understand is why the tomcat status page indicates that
tomcat is configured to use a maximum of 64MB, but the resident size is
twice that and the virual image is four times that. In other
From: Robinson, Eric [mailto:eric.robin...@psmnv.com]
Subject: RE: Understanding Tomcat Memory Utilization
Tomcat says it is configured to use a maximum of 64MB
That's 64 MB for the *Java heap*, not the entire process. The process space
includes lots of other things besides the Java heap
That's 64 MB for the *Java heap*, not the entire process.
Thanks, that's what I didn't know.
--
Eric
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