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WHEN YOU POST, include all relevant version numbers, log files,
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The main issues with IBM JDK 1.3 occur on SMP servers with two or more
processors. In that case IBM claims that many of the low-level kernel calls
in the Linux 2.2 are not implemented correctly for SMP. We have seen many
segfault crashes in this configuration on Pengiun Computing 2U Intel based
servers running RedHat 6.2 and the IBM JDK. The fix is to get Linux 2.4
tested and working with IBM's JDK or to move to Sun's JDK 1.3 which seems to
be more stable on the SMP platforms from our experience. One setting that did
help with stability was to set the environment variable:
export IBM_MIXED_MODE_THRESHOLD 0
This forces all code to be JITTED before running. It does help on SMP.
-MA
BERWART Thierry wrote:
> ----------------------------------------------------------------
> BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> WHEN YOU POST, include all relevant version numbers, log files,
> and configuration files. Don't make us guess your problem!!!
> ----------------------------------------------------------------
>
> Hello,
>
> I am running on :
> Red Hat Linux release 6.2 (Zoot)
> Apache/1.3.12 (Unix)
> ApacheJServ-1.1.2
>
> Thierry
>
> -----Message d'origine-----
> De: Ben Ricker [mailto:[EMAIL PROTECTED]]
> Date: jeudi 11 janvier 2001 17:25
> À: Java Apache Users
> Objet: Re: IBM JDK 1.3
>
> ----------------------------------------------------------------
> BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> WHEN YOU POST, include all relevant version numbers, log files,
> and configuration files. Don't make us guess your problem!!!
> ----------------------------------------------------------------
>
> What platform are you running on? What OS?
>
> Ben Ricker
>
> BERWART Thierry wrote:
>
> > ----------------------------------------------------------------
> > BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> > WHEN YOU POST, include all relevant version numbers, log files,
> > and configuration files. Don't make us guess your problem!!!
> > ----------------------------------------------------------------
> >
> >
> > Hello Ben,
> >
> > Last monday, I installed a server with Jserv 1.2 using the IBM's JVM 1.3
> > But we had some problems of stability ...
> > JServ crashed after some request ...
> > And now, it's perfectly working with the Sun JVM 1.3 !
> >
> > Thierry
> >
> > -----Message d'origine-----
> > De: Ben Ricker [mailto:[EMAIL PROTECTED]]
> > Date: mardi 9 janvier 2001 15:53
> > À: Java Apache Users
> > Objet: IBM JDK 1.3
> >
> >
> > ----------------------------------------------------------------
> > BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> > WHEN YOU POST, include all relevant version numbers, log files,
> > and configuration files. Don't make us guess your problem!!!
> > ----------------------------------------------------------------
> >
> > I am considering moving from Sun's JVM shipped with JDK 1.2.2 to IBM's
> > JVM shipped with JDK 1.3. I saw no indication that 1.3 is pre-realease
> > but just to be sure I thought I would ask: has anyone had any experience
> > using IBM's JVM 1.3 and Jserv? Is 1.3 a release version as far as you
> know?
> >
> > Thanks,
> >
> > Ben Ricker
> > Senior Systems Administrator
> > US-Rx, inc.
> >
> >
> >
> > --
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Michael Amster [EMAIL PROTECTED]
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