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Ulisses Reina Montenegro 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!!!
> ----------------------------------------------------------------
>
> Joseph Shraibman wrote:
>
> > Ulisses Reina Montenegro wrote:
>
> > > Ben Ricker wrote:
>
> > >
> > > > I am pitching Jserv against iPlanet tomorrow and I had one more
> > > > question. iPlanet claims to have multi-processor support built in (I
> > > > thought the OS handeled that). I wanted to get something clear: what
> > > > support does Apache/Jserv provide for multip processor machines?
> > > >
> > > > I thought I read somewhere that Apache is not multip processor aware. Is
> > > > this true?
> > >
> > > Yes, multiprocessor support on Apache/JServ depends on the OS you're using.
> > > We use Linux, so that is what I can talk about. In Linux, the granularity of
> > > load-balancing between processors is a process. That means that, if you have
> > > some heavy computation going on, better divide it between two or more
> > > processes, so that the OS can load-balance them.
> > >
> >
> > What??? For what version of Linux?
>
> AFAIK, up to 2.2.x, I really don't know about the 2.4.x series (which are not in
> production yet, anyway). That is easily monitored using 'top', which will never
> show you a process using more than 100% of a CPU's time. Under AIX, for example,
That's because in Linux each thread takes up an entry in the process
table. Use kpm to monitor processes and sort on commandline or memory
to get the threads next to each other.
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