Well not really; we know that we are running Tomcat, a web container which
has its own (fixed) characteristics. It is a server side app which is
processing non state based transactions which are thus highly like to
involve a lot of objects being created and destroyed without too many
hanging around for long; the details of the webapp, unless it is highly
unusual, are likely not to matter particularly. This is a rule of thumb
not an exact science and the vast majority of people who run Tomcat would
benefit from running in such a configuration (or playing with it to see
what the effects were) - read Sun's own tuning documentation and you will
see the default settings are not said to be suitable for the majority of
server apps.
cheers
Pete
"Shapira, Yoav" <[EMAIL PROTECTED]>
04/08/2003 14:29
Please respond to "Tomcat Users List"
To: "Tomcat Users List" <[EMAIL PROTECTED]>
cc:
Subject: RE: JVM tuning
Howdy,
>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED]
>Sent: Monday, August 04, 2003 9:27 AM
>To: Tomcat Users List
>Subject: RE: JVM tuning
>
>Hmm well only a profiler could tell me that; I was more looking for
some
>(subsequently discovered) things such as you should reseize the young
>generation to be much larger than the default 25% and so on; there are
>some rules of thumb such as this which I was looking for!
I would argue any such rule of thumb is as likely to hurt performance as
improve it for your specific app.
Yoav Shapira
Millennium ChemInformatics
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