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From Rainer Jung <rainer.j...@kippdata.de>
Subject Re: Tomcat 7 under Java 7
Date Fri, 15 Jul 2011 11:26:17 GMT
On 15.07.2011 02:22, Henri Gomez wrote:
> Hi guys,
> 
> I conducted some tests with Tomcat 7 (7.0.19) and I noticed a slower
> startup time under Java 7 (OpenJDK) than under Java 1.6.
> I also see a serious boost in startup between TC 6.0.32 and TC 7.0.19,
> Jetty is not too far behind.
> 
> I blogged about here :
> http://blog.hgomez.net/2011/07/15/servlet-containers-startup-time/
> 
> If you need help to investigate speed diff between JDK 6 and 7, I'm
> willing to help.

No relevant difference on Solaris Sparc between 1.6.0_24 and 1.7.0-b147:

Java 6

Initialization processed in 2482 ms
Server startup in 2622 ms

Java 7

Initialization processed in 2443 ms
Server startup in 2839 ms

No significant differences in scan times, bt there might be not much to
scan for a blank Tomcat.

JDK 7 loads 175 more classes (about 8%).

Regards,

Rainer




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