JDK ports questions

[Achilleas Mantzios]

=CE=A3=CF=84=CE=B9=CF=82 Wednesday 19 March 2008 18:06:21 =CE=BF/=CE=B7 Eir=
ik =C3=98verby =CE=AD=CE=B3=CF=81=CE=B1=CF=88=CE=B5:
> 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?
>=20
> Anecdotal evidence: We tried, for a short while, 1.6 on 6.3 for a very =20
> busy tomcat driven site, noticed no ill effects but also no =20
> immediately noticeable changes in system load, etc.
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> > 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.
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> On comparable hardware (less RAM, though), and tomcat driven apps, we =20
> saw a *real* improvement going to 7.0/1.6 from 6.3/1.5. If the initial =20
> numbers hold up, we can cancel the next two rounds of "throwing =20
> hardware at the problem" as traffic goes up.
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The 6.3->7.0 alone already makes a big difference.
> Unfortunately, I have not yet repeated the 1.6 vs 1.5 experiment on 7.
If you do this test, would be good to know.
> And of course, different applications bring out different parts of =20
> tomcat and the library stack, so your mileage may vary wildly.
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> /Eirik
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> > Best regards
> >   Oliver
> >
> > --=20
> > Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing =20
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sd
> >
> > "If Java had true garbage collection, most programs
> > would delete themselves upon execution."
> >        -- Robert Sewell
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> >
>=20
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=2D-=20
Achilleas Mantzios

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