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From "Amit Kelkar" <>
Subject RE: Squeezing performance out of Tomcat
Date Wed, 06 Feb 2002 15:49:58 GMT
One thing that is totally off left field, but may help...

We had a similar lag problem, - on one of our clients 100mb network with a
HP switch, we were getting lags on images etc.

The problem was that it would go to the central server to resolve all IP's
and especially domain names. Thus we simply excluded (specifically - do not
bypass all local addresses) all the relevant addresses. In internet
explorer - connection| Lan Settings | Advanced

As I said... after investigating for hours, if not days for trying to get
tomcat performance ... this is what I came down to.

-----Original Message-----
From: Pascal Forget []
Sent: Wednesday, 6 February 2002 2:24 PM
Subject: Squeezing performance out of Tomcat


I am getting long response times from a JSP served by
Apache1.3.23 - > mod_jk -> Tomcat 4.02 B2.  The page
always takes less than 100 ms to generate, but still it
takes more than 3 seconds for a browser (running on
the local 10MBit network) to get the result.  The html
page that is generated is less than 1kb.

Can someone offer tips on how we can squeeze more speed
out of Apache-Tomcat?  The problem is not due to
excessive logging, as the various logs are minuscule and
don't grow much in size with each new request.

 Any help or suggestions would be greatly appreciated.


Pascal Forget

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