-verbose:gc 2004-01-22 - By Derek Mahar
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Thank you for your replies.
Does my most recent garbage collector report conflict with what top reports for
the memory size of the Tomcat JVM process? The garbage collector indicates
that the JVM consumes 64 MB, but top reports that the actual process size is
127 MB:
[GC 54170K->52843K(64896K), 0.1261600 secs]
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
605 tomcat 25 0 127M 127M 31524 S 1.1 25.4 5:10 java
I have set CATALINA_OPTS="-server -Xms64m -Xmx128m -Xss128k -verbose:gc".
Derek
-- --Original Message-- --
From: Francois JEANMOUGIN [mailto:Francois.JEANMOUGIN@(protected)]
Sent: January 22, 2004 10:14 AM
To: Tomcat Users List
Subject: RE: -verbose:gc
> -- --Original Message-- --
> From: Derek Mahar [mailto:DMahar@(protected)]
> Sent: Thursday, January 22, 2004 4:04 PM
>
> Would someone please decipher the following line in
> $CATALINA_HOME/logs/catalina.out?
>
> [GC 28827K->22937K(64896K), 0.0062130 secs]
A GC (not a Full GC) freed 6MB of unused garbage memory. Your Jvm currently
have 64MB of memory allocated (Sun Jvm with default parameters, probably), and
your application uses about 22937K (only a full GC will give you the exact
value used at a time), you could increase it by using ms and mx parameters, but
your application really don't need it at this step.
Fran�ois.
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