> From: Donald Ball [mailto:[EMAIL PROTECTED]] > > On Fri, 8 Feb 2002, Stuart Roebuck wrote: > > > On Friday, February 8, 2002, at 06:54 pm, Nicola Ken Barozzi wrote: > > > > > Since I've see that the Xerces jar is about 1.6Mb, I remade it with > > > compression on and the resulting size is 834kb. I haven't checked the > > > other jars, but IMHO bandwith could benefit from some compression. > > > > There's supposed to be a trade off between compression and runtime speed > > unless this is another performance tuning rule that doesn't apply anymore. > > I've always wondered what difference to performance it would make to: > > > > a) Merge all the jar files together into one (uncompressed) file. > > b) Extract out all the jar files into the same filespace and run them > > outside of a jar. > > > > Unfortunately I've never had time to give it a try! > > fwiw, i did some speed analysis of this awhile back out of idle curiosity. > compressed jars only slow things down when the classloader is loading > classes from them, which typically only happens when the app starts up, > and the performance hit is negligable. i'm +1 for all compressed jars to > save bandwidth.
BTW: Recently I was running CPU profiling on the Cocoon, and discovered that Xalan can give quite a lot of work to the ClassLoaders. I will profile this a little bit more sometimes when will have some of these sweet moments of "idle curiosity" :))) Vadim --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
