On Sat, Dec 12, 2009 at 5:51 PM, daiwhea <daiw...@gmail.com> wrote: > Thanks David. I think lift can give me what I want. There is no doubt > on it now. All the problem is can I master it enough. Thanks for all > your words. >
One more thing... in Boot, there's a DB.buildConnectionWrapper line. This allocates a JDBC connection for the given HTTP request. The default connection pool size in Lift is 4 connections. This means that you're never serving more than 4 simultaneous requests. You might bump the pool size up to 50... that will make better use of your multi-core machine. > > > On Dec 13, 3:12 am, David Pollak <feeder.of.the.be...@gmail.com> > wrote: > > Folks, > > > > In order to properly benchmark a Lift app and to get maximum performance: > > > > - Run in production mode. Templates and other things are aggressively > > cached in production mode. > > - Explicitly declare all of your snippets rather than requiring lookup > > via reflection. > > - If you are using a template created via the basic archetype, you are > > doing at least 1 DB round trip for each request as part of the > transaction > > wrapper. There are ways around this. > > - Before starting your benchmark, load every page in the benchmark at > > least 50,000 times. This gets HotSpot warmed up. > > > > I would suggest benchmarking based on traffic and load... can your site > > serve the number of pages/sec that you expect at peak load? That's a > more > > realistic benchmark than the number of ms it takes to serve a given page. > > > > Thanks, > > > > David > > > > On Sat, Dec 12, 2009 at 8:28 AM, Timothy Perrett < > timo...@getintheloop.eu>wrote: > > > > > > > > > Personally, I think it would be better if you took a step back and look > t > > > *your* use case. Why do you need this speed, in what areas do you need > it? > > > (page serving, dispatching etc) > > > > > If you better outline what you want, then we can advise on realistic > > > expectations. > > > > > Cheers, Tim > > > > > On 12 Dec 2009, at 16:10, James Black wrote: > > > > > > On Sat, Dec 12, 2009 at 5:12 AM, daiwhea <daiw...@gmail.com> wrote: > > > > I just have a test with some example lift apps. But I'm sorry to say > > > > that I cannot achieve this high performance on my dev box(Dell xps > > > > 420, 6 G RAM, Quad CPU) > > > > > > my env is Ubuntu 8.10. > > > > java version "1.6.0_14" > > > > Java(TM) SE Runtime Environment (build 1.6.0_14-b08) > > > > Java HotSpot(TM) 64-Bit Server VM (build 14.0-b16, mixed mode) > > > > > > with the latest : lift-archetype-jpa-basic > > > > -DarchetypeArtifactId=lift-archetype-jpa-basic \ > > > > -DarchetypeVersion=1.1-M7 > > > > > > I haven't tried to get it as fast as I can, but the jpa project > goes to > > > the database, so you may want to use lift-archetype-basic. > > > > > > Also, the first time you load it there may be a slow down due to > > > initializations, so to get a good test you may want to write a unit > test > > > that will load it perhaps 100 times and then you can get the average, > > > fastest and slowest times to get an idea how it is performing. > > > > > > Also, you may need to subtract any javascript/css files, or, when > you > > > compare to PHP make certain you have similar files being loaded for PHP > for > > > a true comparison. > > > > > > -- > > > > > > You received this message because you are subscribed to the Google > Groups > > > "Lift" group. > > > > To post to this group, send email to lift...@googlegroups.com. > > > > To unsubscribe from this group, send email to > > > liftweb+unsubscr...@googlegroups.com<liftweb%2bunsubscr...@googlegroups.com> > <liftweb%2bunsubscr...@googlegroups.com<liftweb%252bunsubscr...@googlegroups.com> > > > > > . > > > > For more options, visit this group at > > >http://groups.google.com/group/liftweb?hl=en. > > > > > -- > > > > > You received this message because you are subscribed to the Google > Groups > > > "Lift" group. > > > To post to this group, send email to lift...@googlegroups.com. > > > To unsubscribe from this group, send email to > > > liftweb+unsubscr...@googlegroups.com<liftweb%2bunsubscr...@googlegroups.com> > <liftweb%2bunsubscr...@googlegroups.com<liftweb%252bunsubscr...@googlegroups.com> > > > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/liftweb?hl=en. > > > > -- > > Lift, the simply functional web frameworkhttp://liftweb.net > > Beginning Scalahttp://www.apress.com/book/view/1430219890 > > Follow me:http://twitter.com/dpp > > Surf the harmonics > > -- > > You received this message because you are subscribed to the Google Groups > "Lift" group. > To post to this group, send email to lift...@googlegroups.com. > To unsubscribe from this group, send email to > liftweb+unsubscr...@googlegroups.com<liftweb%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/liftweb?hl=en. > > > -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups "Lift" group. 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