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<H1>[MUD-Dev] Re: OT: Java multithreading performance</H1>
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<LI><em>To</em>: <A HREF="mailto:mud-dev#kanga,nu">mud-dev#kanga,nu</A></LI>
<LI><em>Subject</em>: [MUD-Dev] Re: OT: Java multithreading performance</LI>
<LI><em>From</em>: "Jon A. Lambert" <<A HREF="mailto:jlsysinc#ix,netcom.com">jlsysinc#ix,netcom.com</A>></LI>
<LI><em>Date</em>: Tue, 19 May 1998 01:32:48 -5</LI>
<LI><em>Reply-To</em>: <A HREF="mailto:mud-dev#kanga,nu">mud-dev#kanga,nu</A></LI>
<LI><em>Sender</em>: "Petidomo List Agent -- Kanga.Nu version" <<A HREF="mailto:petidomo#kanga,nu">petidomo#kanga,nu</A>></LI>
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<PRE>
On 18 May 98, Ben Greear wrote:
> On Mon, 18 May 1998, Chris Gray wrote:
>
> > [Vadim Tkachenko:]
> >
> > :I have the logging routine implemented in such a way that it accepts the
> > :messages and prints... well, makes them available to the final logging
> > :device, in the thread runninh with background priority. When I ran this
> > :est, I had to disable all that stuff because the log was becoming silent
> > :after some number of threads (don't remember the exact number, though).
> >
> > Understood. Determining what the absolute number of threads it can support
> > is academically interesting, but not real useful. Determining the number
> > of MUD-server-like threads that it can support is more useful. Your
> > result is closer to that. So, if a server design in Java intends to use
> > a thread per client, and each client should have an open socket, then at
> > least on Linux, the socket-per-process limit is likely to be reached before
> > any inherent Java limit. Of course, there is still the CPU power limit,
>
> The socket limit has me worried. I can't think of a clean way to get
> around this in Java. I suppose I could do a
>
> System.??("java AnotherServerBackEnd")
>
> but that seems messy at best.
> Anyone got around this, or know of a project which has tried?
>
What socket limits? Isn't this dependent on the TCP/IP stack you are
using more so than Java? For my implementation, 32767 is the
maximum number of sockets I can open per process. I can assure you
that this limit is well above any practical thresholds as all
hardcoded limitations should be. :)
--
--/*\ Jon A. Lambert - TychoMUD Internet:jlsysinc#ix,netcom.com /*\--
--/*\ Mud Server Developer's Page <<A HREF="http://www.netcom.com/~jlsysinc">http://www.netcom.com/~jlsysinc</A>> /*\--
--/*\ "Everything that deceives may be said to enchant" - Plato /*\--
--
MUD-Dev: Advancing an unrealised future.
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<LI><STRONG><A NAME="00667" HREF="msg00667.html">[MUD-Dev] Re: OT: Java multithreading performance</A></STRONG>
<UL><LI><EM>From:</EM> cg#ami-cg,GraySage.Edmonton.AB.CA (Chris Gray)</LI></UL></LI>
<LI><STRONG><A NAME="00685" HREF="msg00685.html">[MUD-Dev] Re: OT: Java multithreading performance</A></STRONG>
<UL><LI><EM>From:</EM> Ben Greear <greear#cyberhighway,net></LI></UL></LI>
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<ul><li>Thread context:
<BLOCKQUOTE><UL>
<LI><STRONG>[MUD-Dev] Re: OT: Java multithreading performance</STRONG>, <EM>(continued)</EM>
<ul compact>
<LI><strong><A NAME="00642" HREF="msg00642.html">[MUD-Dev] Re: OT: Java multithreading performance</A></strong>,
Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Sun 17 May 1998, 17:16 GMT
<UL>
<LI><strong><A NAME="00647" HREF="msg00647.html">[MUD-Dev] Re: OT: Java multithreading performance</A></strong>,
Vadim Tkachenko <a href="mailto:vt#freehold,crocodile.org">vt#freehold,crocodile.org</a>, Sun 17 May 1998, 21:11 GMT
</LI>
</UL>
</LI>
<LI><strong><A NAME="00667" HREF="msg00667.html">[MUD-Dev] Re: OT: Java multithreading performance</A></strong>,
Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Mon 18 May 1998, 17:17 GMT
<UL>
<LI><strong><A NAME="00685" HREF="msg00685.html">[MUD-Dev] Re: OT: Java multithreading performance</A></strong>,
Ben Greear <a href="mailto:greear#cyberhighway,net">greear#cyberhighway,net</a>, Tue 19 May 1998, 03:50 GMT
<UL>
<LI><strong><A NAME="00688" HREF="msg00688.html">[MUD-Dev] Re: OT: Java multithreading performance</A></strong>,
Jon A. Lambert <a href="mailto:jlsysinc#ix,netcom.com">jlsysinc#ix,netcom.com</a>, Tue 19 May 1998, 05:32 GMT
</LI>
</UL>
</LI>
</UL>
</LI>
<LI><strong><A NAME="00727" HREF="msg00727.html">[MUD-Dev] Re: OT: Java multithreading performance</A></strong>,
Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Wed 20 May 1998, 13:49 GMT
</LI>
</ul>
</LI>
<LI><strong><A NAME="00627" HREF="msg00627.html">[MUD-Dev] Re: MURKLE: Wot it is</A></strong>,
Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Sat 16 May 1998, 06:02 GMT
<UL>
<LI><strong><A NAME="00709" HREF="msg00709.html">[MUD-Dev] Re: MURKLE: Wot it is</A></strong>,
J C Lawrence <a href="mailto:claw#under,engr.sgi.com">claw#under,engr.sgi.com</a>, Tue 19 May 1998, 19:33 GMT
</LI>
</UL>
<UL>
<li><Possible follow-up(s)><br>
<LI><strong><A NAME="00643" HREF="msg00643.html">[MUD-Dev] Re: MURKLE: Wot it is</A></strong>,
Koster, Raph <a href="mailto:rkoster#origin,ea.com">rkoster#origin,ea.com</a>, Sun 17 May 1998, 21:16 GMT
</LI>
</UL>
</LI>
</UL></BLOCKQUOTE>
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