From: Tomas Pospisek's Mailing Lists Date: 2007-08-07T05:31:00+09:00 Subject: Re: JRuby on a huge project On Mon, 6 Aug 2007, M. Edward (Ed) Borasky wrote: > Dafi-Duck wrote: >> Hi, >> >> I am working on a new project built on websphere portal. >> I need to be able to have about 2 million concurrent users. >> If I use JRuby, will it work? >> Can JRuby work well on websphere portal? >> Can JRuby work with porltets? >> >> Please help... > > The best advice I can give you is to hire a professional performance > engineering team -- this isn't something you're going to be able to > learn on a mailing list staffed by volunteers. I'll let Charlie answer > the jRuby-specific questions, but I'll tell you up front as a working > performance engineer that 2 million concurrent users is a *massive* > undertaking. > > I can't even begin to list the *hundreds* of ways you can screw up > performance on something like that, let alone the other challenges that > await in the areas of usability, security, privacy, etc. Let me know > when you've spent your first couple million dollars and have nothing to > show for it. ;( > > Seriously, though -- unless you're the emperor of the world, you really > ought to start with something a little less challenging. Get 20 users up > and running on a server solid as a rock, then scale that by 100,000. ;( No, actually, I'll tell you right away: with JRuby you're set. Take my word for it: everything is going to be allright. Don't believe me? Why not? *t -- ----------------------------------------------------------- Tomas Pospisek http://sourcepole.com - Linux & Open Source Solutions -----------------------------------------------------------