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Date:      Thu, 20 Mar 2008 13:47:12 -0700
From:      Greg Lewis <glewis@eyesbeyond.com>
To:        Eirik ?verby <ltning@anduin.net>
Cc:        Oliver Fromme <olli@lurza.secnetix.de>, freebsd-java@freebsd.org
Subject:   Re: JDK ports questions
Message-ID:  <20080320204712.GC35634@misty.eyesbeyond.com>
In-Reply-To: <8F5A2261-60E1-475D-9425-3CA8DE88226B@anduin.net>
References:  <200803191534.m2JFY1d6085430@lurza.secnetix.de> <8F5A2261-60E1-475D-9425-3CA8DE88226B@anduin.net>

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On Wed, Mar 19, 2008 at 05:06:21PM +0100, Eirik ?verby wrote:
> On Mar 19, 2008, at 16:34, Oliver Fromme wrote:
> >Achilleas Mantzios wrote:
> >>Oliver Fromme wrote:
> >>>What is the difference between ports/java/diablo-jdk15
> >>>and ports/java/jdk15?  Which of them should be used?
> >>
> >>ports/java/diablo-jdk15 is the ports way of installing the
> >>binary package, you can do the same with pkg_add -r.
> >
> >I see.  So I basically get the same result as downloading
> >the package from freebsdfoundation.org (which is not what
> >I want).
> >
> >Thanks for answering!
> >
> >>>So far I have only used the Sun-blessed binary package
> >>>from the FreeBSD foundation download page, so I don't
> >>>know much about the various ports.  However, those
> >>>packages are now quite old, so I would like to build
> >>>an up-to-date JDK for FreeBSD 7.  Which port should
> >>>be used for that?
> >>
> >>For FreeBSD 7.0, you will have to install misc/compat6x
> >
> >But it's only required for the bootstrap, right?
> >I.e. when I have built the JDK successfully, I don't
> >need compat6x anymore, I assume.
> >
> >Thinking about it ...  When I compile my own JDK anyway,
> >I could just as well go for the JDK 1.6 instead of 1.5.
> >Are there any known problems with building JDK 1.6 on
> >FreeBSD/amd64 7.0?  Anything I should be aware of?
> 
> Anecdotal evidence: We tried, for a short while, 1.6 on 6.3 for a very  
> busy tomcat driven site, noticed no ill effects but also no  
> immediately noticeable changes in system load, etc.
> 
> 
> >The JDK is going to be used on several 8-core amd64
> >machines with 64 GB RAM to run tomcat-based CMS for a
> >very busy web site.  No need to say, stability is top-
> >priority.
> 
> On comparable hardware (less RAM, though), and tomcat driven apps, we  
> saw a *real* improvement going to 7.0/1.6 from 6.3/1.5. If the initial  
> numbers hold up, we can cancel the next two rounds of "throwing  
> hardware at the problem" as traffic goes up.
> 
> Unfortunately, I have not yet repeated the 1.6 vs 1.5 experiment on 7.
> And of course, different applications bring out different parts of  
> tomcat and the library stack, so your mileage may vary wildly.

1.6 is showing performance improvements over 1.5 here at work.
Unfortunately thats on Linux rather than FreeBSD :(.

-- 
Greg Lewis                          Email   : glewis@eyesbeyond.com
Eyes Beyond                         Web     : http://www.eyesbeyond.com
Information Technology              FreeBSD : glewis@FreeBSD.org



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