Thank you all for your assistance. I downloaded the nightly drop yesterday and will go about compiling it today and testing under JDK 1.4.
-----Original Message----- From: Oleg Kalnichevski [mailto:[EMAIL PROTECTED] Sent: Wednesday, March 26, 2003 1:09 PM To: Commons HttpClient Project Subject: Re: HttpClient and CPU usage..... Busy wait has been fixed after 2.0a3 release. So, a recent nightly build is needed. Besides, it turned out that Ken was using a rather old JDK (1.2) which is known to have rather lousy JIT on Solaris platform. I have already recommended Ken to upgrade both the JDK and the HttpClient Cheers Oleg On Wed, 2003-03-26 at 17:10, Tom Samplonius wrote: > What version of httpclient are you using? > > I understand that a busy read loop was removed from httpclient a couple > of weeks ago. I'm not sure if this change was made for Alpha3, or whether > you have to go the daily builds to get it. > > Tom > > > On Wed, 26 Mar 2003, Ken Clark wrote: > > > I've built a b2b application using the commons HttpClient, and all works > > extremely well. The problem is, however, that the app is using up to 45% of > > the CPU time ( as reported by various unix processes ( ps -aux, vmstat, > > etc ) ). The customer has a Sun 4500, running solaris, with two processors. > > > > I've tried debugging the app's CPU usage using the -Xrunhprof:cpu=samples > > parameter in the VM, and it returns the "hot spots" for CPU usage : > > > > 1 74.67% 74.67% java/net/SocketInputStream.read ([BII)I > > 2 9.61% 84.28% java/net/PlainSocketImpl.available ()I > > 3 8.51% 92.79% java/net/PlainSocketImpl.doConnect > > (Ljava/net/InetAddress;I)V > > > > everything else is using less than 0.50% of the VMs CPU. > > > > Since I'm not using these classes directly, I'm assuming that HttpClient is. > > How can I make my app use less of the CPU? > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
