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Check out www.netcraft.com and click 'What is this site running?' and punch in a
URL.
I am not sure how they determine the host.
Ross
Ed Crotty <[EMAIL PROTECTED]> on 10/01/99 11:00:53 AM
Please respond to Java Apache Users <[EMAIL PROTECTED]>
To: java-apache-users
cc:
Subject: Re: How big a server is required to deploy JServ?
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"http://www.mindcraft.com/whitepapers/openbench1.html
(site appears to be down this morning)"
i wonder if that server is on nt or linux ;)
my question is off topic of this, but i am curious about the serialization
of session tracking within servlet zones..
for instance, if apache is restarted, we lose all current sessions..
i would be curious to hear everyones approach to this type of an issue..
also, i was wondering if anyone had done any work with replication of sessions
across multiple jvms...
thanks!
-ed
>
> -----------------------------
> Please read the FAQ!
> <http://java.apache.org/faq/>
> -----------------------------
>
> I agree with both Jean-Michel and Mark.
>
> As of right now, the NT/Intel combination is the best, at least if
> you believe the recent (yet controversial) Mindcraft/PC Week "open
> benchmarks", in which the NT/Intel combo siginficantly outperformed
> Linux, _even with_ the Red Hat guys tuning Linux for the benchmark.
>
> I believe part of the problem was traced to the Linux lack of multi-
> threaded IP stack (something which has since been addressed), but it
> goes to show you that, while Linux is certainly an important platform,
> right now it is still NT/Intel which provide the best price/performance
> guarantee.
>
> I don't work for Microsoft or any anti-Linux company, I am simply
> relaying metrics which have already been published by what most
> people believe to be an impartial organization. YMMV. I encourage
> you to read the whole benchmark report. I don't think this is the forum
> to debate - in general - Linux vs. NT, but I thought that at least the
> topic was relevant to the poster of the question below. I think any
> ongoing bashing should NOT involve this list.
>
> The summary of the tests can be found at:
>
> http://www.mindcraft.com/whitepapers/openbench1.html
> (site appears to be down this morning)
>
> greg
>
> Jean-Michel Leon wrote:
> >
> > -----------------------------
> > Please read the FAQ!
> > <http://java.apache.org/faq/>
> > -----------------------------
> >
> > I concur with Mark, I have the same experience with Linux on Java: it is
> > slow, and way behind what you get on Solaris/NT. Performance wise,
> > today, Intel/NT is the best combination for running Java (it is very
> > interesting to see the performance of JServ getting better as HotSpot
> > starts kicking).
> >
> > I'd suggest to run Apache on Linux for the web front-end, and have
> > JServ(s) running on NT boxes. It stays cheap, because it's PC hardware,
> > and combines the good performance/reliability of apache on Linux, and
> > the good performance of java on NT. It also allows to have 1 apache with
> > multiple JServs so that your system stays up when NT crashes.
> >
> > jm.
> >
> > Tim Reilly wrote:
> >
> > > Can anyone confirm this? Honestly, this scares the hell out of me.
> > >
> > > We're planning on using the IBM 1.1.8 JDK for Linux. In a perfect world,
> > > we'd be deploying on Solaris, but unfortunately we're a startup company
> > > and we just can't afford it as of yet.
> > >
> > > -Tim
> > >
> > > On Thu, 30 Sep 1999, Marc Slemko wrote:
> > >
> > > > On Thu, 30 Sep 1999, Tim Reilly wrote:
> > > >
> > > > > The company I work for is in the late stages of re-architecting our
entire
> > > > > website using Apache JServ, RedHat Linux 6.0, and MySQL. The code is
just
> > > > > about finished (version 1.0 freezes in the two weeks), and we're
trying to
> > > > > spec the servers we will need for deployment. The problem is that I
> > > > > really have no idea what class of machine is required.
> > > >
> > > > Be very very very cautious about even thinking of deploying any site
that
> > > > has a high load and significant Java code using Linux. This is not a
> > > > slight to Linux, but simply due to the immaturity and poor performance
of
> > > > JVMs on Linux.
> > > >
> > > > The JVMs that are out there either have horrible performance or are
> > > > unstable under load. The blackdown 1.1 one is pretty stable using green
> > > > threads, but is horribly slow for IO due to green threads, and IO is
about
> > > > all most server side java code does.
> > > >
> > > > The current blackdown 1.2 using native threads (with or without jit) is
> > > > quite unstable under high load. Some bits of code will crash it fairly
> > > > reliably, other times it just hangs or SEGVs under heavy load.
> > > >
> > > > IBM's JVM is so-so in terms of performance, but may have problems under
> > > > load due to the immaturity of Linux threads. Until recently, there were
> > > > also problems that made it not work right with jserv due to it
improperly
> > > > reporting that there was no more data to be read on a socket instead of
> > > > blocking.
> > > >
> > > > In my experience, the price/performance for a sparc box running Solaris
is
> > > > actually _better_ than that on Linux (even if the box is 5x as
expensive),
> > > > and a whole lot more reliable, since the JVMs are so much better.
> > > >
> > > > You also need to be very careful about what queries you give to mysql.
It
> > > > does not (at least did not) handle concurrent queries; ie. it finishes
one
> > > > before starting the next, so a single expensive query can kill the whole
> > > > site for some time, make things backup, etc. As long as everything is
an
> > > > easy select that can be done via indexes, things are reasonable but it
> > > > requires careful design of accesses and updates.
> > > >
> > > > Now, my definition of "high traffic" may or may not be more than your
> > > > definition. But the above is based on my experience trying to deploy a
> > > > fairly high traffic site running a JVM on Linux.
> > > >
> > > >
> > > > ----------------------------------------------------------------------
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> > > >
> > > >
> > >
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> ::: Greg Barish ([EMAIL PROTECTED]) :::::::::::::::::::::::::::::::::::::::::
>
>
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