On Fri, May 16, 2003 at 07:29:02PM +0100, Toad wrote:

> Or alternatively,
> 
> http://127.0.0.1:8888/servlet/nodestatus/version_histogram.txt
> 
>  :)))

> > 
> > (My apologies for the *horrible* perl -- it's not my best language.)
> > Anyway, this shows that out of the 100 nodes in my routing table, only
> > 14 of them are running pre-build-579 nodes.  Builds 593-595 dominate
> > in this part of Freenetland.  (That one build-629 node is probably
> > pre-pcaching too, but I'm not certain.)
> > 
> > > Maybe we should make 0.5.2 mandatory?
> > 
> > I think there's not enough evidence on either side of the pcaching
> > argument to decide this yet.
> 
> There won't be until pcaching actually does something. The statistics
> strongly suggest that pcaching is not doing much because every two hops
> or so it hits a pre-pcaching node. Or that there is some extremely wierd
> bug happening somewhere...

So, a theory presents itself: we have
Set A: N nodes with high traffic, ~3k reqs per hour to ~ 100k reqs per hour
Set B: M nodes with low traffic, hundreds of reqs per hour or less

N is a LOT smaller than M.

Set A nodes have low advertising (datasource reset) probabilities, but
Set B nodes have high advertising probabilities, due to the load
balancing algorithm, which evidently isn't working. Hence a request
goes out on the network and after a few hops meets a set B node, and
gets its datasource reset and consequentially hopsSinceReset set to
zero. Interestingly, the nodes that get little traffic are NOT locally
overloaded, or they would have lower reset probabilities due to the
(proportion of requests accepted) ^ 5 which is multiplied into the reset
probability...

Any suggestions as to what to do about this?

BTW, I want to see some reset probabilities from live nodes to try to
confirm this statistically. Mail me the top five lines from
http://127.0.0.1:8888/servlet/nodeinfo/networking/loadstats

> > 
> > -- 
> > Greg Wooledge                  |   "Truth belongs to everybody."
> > greg at wooledge.org              |    - The Red Hot Chili Peppers
> > http://wooledge.org/~greg/     |
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