Julio Cesar Leiva wrote:
We have an app on a m linux box dual processor dual core , 16GB RAM
We are wondering what could be the ideal size for Xmx and Xms (Java Heap
Size)
We have a load test that hits our server with 800 clients sending
request every sec.
Thanks for your tips.
Adding
From: Juha Laiho [mailto:[EMAIL PROTECTED]
Subject: Re: Xmx and Xms size
This recommendation comes from seeing (albeit with a now
obsolete JVM) excessively long pauses for GC in a situation
where an application with memory leak had gradually been
given higher and higher Xmx values
Hi all
We have an app on a m linux box dual processor dual core , 16GB RAM
We are wondering what could be the ideal size for Xmx and Xms (Java Heap
Size)
We have a load test that hits our server with 800 clients sending
request every sec.
Thanks for your tips
be the ideal size for Xmx and Xms (Java
Heap Size)
We have a load test that hits our server with 800 clients sending
request every sec.
Thanks for your tips.
-
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What kind of processors specifically? In a 32-bit address space,
there's no point in giving Tomcat more than 2GB, because the JVM won't
use it. If you have 64-bit userspace and a JVM built for it then you
can use more, but remember to leave a bit for OS caches, other
processes, etc. (Starve the
From: Julio Cesar Leiva [mailto:[EMAIL PROTECTED]
We have an app on a m linux box dual processor dual core , 16GB RAM
We are wondering what could be the ideal size for Xmx and Xms
It is impossible to answer that question without detailed results from
stress-testing your application
Ah, yes, I addressed only -Xmx. For -Xms, you could try this. Throw
a typical load at your app. and monitor it until memory use seems to
be fairly stable. Round that up to a convenient number and use that
for -Xms. That way, your app. should not have to ask for more until
the load goes above
Thanks all of you for your tips.
They have gave us a lot of indication how to tackle this..
Great.,,,
Mark H. Wood wrote:
What kind of processors specifically? In a 32-bit address space,
there's no point in giving Tomcat more than 2GB, because the JVM won't
use it. If you have 64-bit