<!-- MHonArc v2.4.4 --> <!--X-Subject: [MUD-Dev] Re: OT: Java multithreading performance --> <!--X-From-R13: "Xba O. Znzoreg" <wyflfvapNvk.argpbz.pbz> --> <!--X-Date: Mon, 18 May 1998 22:32:05 -0700 --> <!--X-Message-Id: 199805190531.AAA17215@dfw-ix16.ix.netcom.com --> <!--X-Content-Type: text/plain --> <!--X-Reference: 9805181659.8xi6@ami-cg.GraySage.Edmonton.AB.CA --> <!--X-Reference: Pine.LNX.3.96.980518204449.467A-100000#shamen,cyberhighway.net --> <!--X-Head-End--> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <html> <head> <title>MUD-Dev message, [MUD-Dev] Re: OT: Java multithreading performance</title> <!-- meta name="robots" content="noindex,nofollow" --> <link rev="made" href="mailto:jlsysinc#ix,netcom.com"> </head> <body background="/backgrounds/paperback.gif" bgcolor="#ffffff" text="#000000" link="#0000FF" alink="#FF0000" vlink="#006000"> <font size="+4" color="#804040"> <strong><em>MUD-Dev<br>mailing list archive</em></strong> </font> <br> [ <a href="../">Other Periods</a> | <a href="../../">Other mailing lists</a> | <a href="/search.php3">Search</a> ] <br clear=all><hr> <!--X-Body-Begin--> <!--X-User-Header--> <!--X-User-Header-End--> <!--X-TopPNI--> Date: [ <a href="msg00687.html">Previous</a> | <a href="msg00689.html">Next</a> ] Thread: [ <a href="msg00685.html">Previous</a> | <a href="msg00727.html">Next</a> ] Index: [ <A HREF="author.html#00688">Author</A> | <A HREF="#00688">Date</A> | <A HREF="thread.html#00688">Thread</A> ] <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> <H1>[MUD-Dev] Re: OT: Java multithreading performance</H1> <HR> <!--X-Subject-Header-End--> <!--X-Head-of-Message--> <UL> <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> </UL> <!--X-Head-of-Message-End--> <!--X-Head-Body-Sep-Begin--> <HR> <!--X-Head-Body-Sep-End--> <!--X-Body-of-Message--> <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. </PRE> <!--X-Body-of-Message-End--> <!--X-MsgBody-End--> <!--X-Follow-Ups--> <HR> <!--X-Follow-Ups-End--> <!--X-References--> <UL><LI><STRONG>References</STRONG>: <UL> <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> </UL></LI></UL> <!--X-References-End--> <!--X-BotPNI--> <UL> <LI>Prev by Date: <STRONG><A HREF="msg00687.html">[MUD-Dev] Re: Using HTML for a Mud character generator</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg00689.html">[MUD-Dev] Java multithreading test source</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg00685.html">[MUD-Dev] Re: OT: Java multithreading performance</A></STRONG> </LI> <LI>Next by thread: <STRONG><A HREF="msg00727.html">[MUD-Dev] Re: OT: Java multithreading performance</A></STRONG> </LI> <LI>Index(es): <UL> <LI><A HREF="index.html#00688"><STRONG>Date</STRONG></A></LI> <LI><A HREF="thread.html#00688"><STRONG>Thread</STRONG></A></LI> </UL> </LI> </UL> <!--X-BotPNI-End--> <!--X-User-Footer--> <!--X-User-Footer-End--> <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> </ul> <hr> <center> [ <a href="../">Other Periods</a> | <a href="../../">Other mailing lists</a> | <a href="/search.php3">Search</a> ] </center> <hr> </body> </html>