Re: Bug #449176: azureus: Downloads very slowly with GIJ
Shaun Jackman writes:
> On Nov 21, 2007 6:31 AM, Andrew Haley <aph@redhat.com> wrote:
> >
> > Shaun Jackman writes:
> > > Running the bit torrent client Azureus, downloading progresses
> > > terribly slowly with the
> > > java-gcj-compat JVM and works fine with Sun's JVM. If anyone has any
> > > thoughts on why this might be the case, or has some time to
> > > investigate, I'd appreciate the help in solving this bug.
> > >
> > > http://bugs.debian.org/449176
> >
> > What is the CPU meter doing?
> >
> > If the CPU is pegged at 100%, I'd do some profiling. Also, starting
> > with the vm option -verbose:class will tell you if, by some accident,
> > you aren't using the precompiled classes.
>
> Hello Andrew,
>
> I can confirm that the CPU usage is <5% and that the precompiled
> classes are being used. Lots of messages like
> [Loaded (pre-compiled) java.lang.ClassLoader from <no code source>]
OK, so you never see
Loaded (bytecode) ?
with azureus classes
> I do see messages like this:
>
> DEBUG::Wed Nov 21 11:05:54 GMT-07:00
> 2007::com.aelitis.azureus.core.networkmanager.impl.tcp.VirtualChannelSelectorImpl::select::586:
> VirtualChannelSelector: No progress for op 1: listener = class
> com.aelitis.azureus.core.clientmessageservice.impl.NonBlockingReadWriteService$2,
> count = 300, socket: open = true, connected = true
> VirtualChannelSelector::select::332,NonBlockingReadWriteService$1::runSupport::82,AEThread::run::69
>
> Perhaps it's related. Which version of Azureus has RedHat packaged?
Cc: Anthony Green for comments.
Andrew.
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