* Matthew Toseland <t...@amphibian.dyndns.org> [2009-02-26 23:26:47]:
> On Thursday 26 February 2009 20:29:34 Florent Daignière wrote:
> > * Matthew Toseland <t...@amphibian.dyndns.org> [2009-02-25 17:59:32]:
> >
> > > On Wednesday 25 February 2009 10:00:22 Florent Daigniere wrote:
> > > > Matthew Toseland wrote:
> > > > > On Tuesday 03 February 2009 11:36:01 nextg...@freenetproject.org
> wrote:
> > > > >> Author: nextgens
> > > > >> Date: 2009-02-03 11:36:00 +0000 (Tue, 03 Feb 2009)
> > > > >> New Revision: 25484
> > > > >>
> > > > >> Modified:
> > > > >> trunk/freenet/src/freenet/node/NodePinger.java
> > > > >> Log:
> > > > >> Improve NodePinger:
> > > > >>
> > > > >> -take care of synchronization
> > > > >> -requeue before we do anything so that we are closer to a 200ms
> period
> > > > >> -logging optimizations
> > > > >>
> > > > >> @@ -24,35 +37,34 @@
> > > > >> run();
> > > > >> }
> > > > >>
> > > > >> - final Node node;
> > > > >> -
> > > > >> public void run() {
> > > > >> - //freenet.support.OSThread.RealOSThread.logPID(this);
> > > > >> - try {
> > > > >> - recalculateMean(node.peers.connectedPeers);
> > > > >> - } finally {
> > > > >> - node.ps.queueTimedJob(this, 200);
> > > > >> - }
> > > > >> + // Requeue *before* so that it's accurate in any case
> > > > >> + node.ps.queueTimedJob(this, 200);
> > > > >
> > > > > Is this really a good idea? If there is heavy load, you could end up
> with
> > > > > hundreds of these jobs running in parallel?
> > > > >
> > > >
> > > > In that case we are screwed anyway; Introduce a "fast-fail" using a
> > > > volatile boolean if you think it's worth it.
> > >
> > > What is the purpose of the 200ms period?
> >
> > Good question; that's your code ;)
> >
> > I think we use the meanPingTime of connected peers in the load-balancing
> > algorithm... It does make sense to have "consistent" values.
> >
> > I guess that 200ms is just an arbitrarily chosen value.
>
> In which case, why not requeue after running?
Consistency?
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