Something is really not right with azureus 2.5 / diablo-jdk 1.5

[Kostik Belousov]

On Thu, Nov 30, 2006 at 11:36:10AM -0800, Tim Clewlow wrote:
> 
> --- Robert Noland <rnoland at 2hip.net> wrote:
> 
> > From: Robert Noland <rnoland at 2hip.net>
> > To: freebsd-ports at freebsd.org
> > Date: Thu, 30 Nov 2006 13:06:40 -0500
> > Subject: Something is really not right with azureus 2.5 / diablo-jdk 1.5
> > 
> > 
> > > Hello,
> > > 
> > > I have azureus-2.5.0.0 which requires diablo-jdk-1.5.0.07.01_1 to build
> > (among
> > > other things). It builds and runs fine, however, azureus limps along for
> > about
> > > 10 minutes with very low download and upload speeds, then it seems to grind
> > to
> > > a halt, the d/l and u/l basically stop. There are no errors to report
> > because
> > > the application keeps going, but the problem is it stops actually d/l or
> > u/l
> > > anything (sometimes you might get short bursts of extremely slow speeds,
> > but it
> > > is mostly 0 B/s).
> > > 
> > > I suspect that diablo-jdk that is at fault, but in truth this is just a
> > hunch.
> > 
> > This is a problem with azureus, not the jdk.  The same issue exists with
> > sun jdk15.  I am attempting to look at the code, but someone with more
> > java foo than I would probably be much more productive.  It appears to
> > be an issue with socket handling...
> > 
> > robert.
> > 
> 
> FYI - I discovered the internet connection was constantly at 100% u/l due to a
> number of people on the LAN doing p2p, so I shaped the external link to only
> allow 80% of the real uplink capacity (which creates a 20% buffer to attempt to
> mininize collisions on the uplink) and azureus suddenly came back to life. Note
> that azureus on the windows box was happy before I shaped the link, but the BSD
> version was not. This makes me think the BSD version of azureus gets into
> trouble when outgoing packets get lost due to packet collision.
> 
> Tim.

Does this thing use nio ?
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