On Fri, Nov 21, 2003 at 04:58:01PM +0100, Niklas Bergh spake thusly:
> > Why would an established specialized node de-specialize?
> 
> Good question.. I am basing that theory on the fact that tessiers
> (month-long+ ?) forced datastore specialization ought to have affected the
> networks opinion on his node if some aspect of the current NGR algorithm
> wasn't actively countering his actions. This was before estimator
> pass-around though, maybe it would behave differently now...

I started doing that a good 3 months ago. I modified the datastore once
and then left it. The node is still somewhat specialized as far as keys in
the ds go:

Histogram of keys in in fred's data store
These are the keys to the data in your node's local cache (DataStore)
Nov 21, 2003 10:17:22 AM
keys: 81332
scale factor: 0.010594272054731846 (This is used to keep lines < 64
characters)

   0 |===================================================
   1 |==================================================
   2 |=================================================
   3 |=================================================
   4 |=================================================
   5 |=================================================
   6 |=======================================================
   7 |=======================================================
   8 |======================================================
   9 |==========================================================
   a |===============================================================
   b |========================================================
   c |=======================================================
   d |========================================================
   e |======================================================
   f |===================================================

peaks (count/mean)
0 --> (0.95234346)
4 --> (0.9261791)
6 --> (1.0326071)
a --> (1.1884129)
d --> (1.0420499)

But it used to look much more like a steep bell curve. It is all slowly
going towards a straight line while my inbound requests look like this:

Histogram of requested keys.
This count has nothing to do with keys in your datastore
Nov 21, 2003 10:16:43 AM
keys: 168110
scale factor: 0.005779824685305357 (This is used to keep lines < 64
characters)

   0 |===============================================================
   1 |==============================================================
   2 |==========================================================
   3 |===========================================================
   4 |===============================================================
   5 |=========================================================
   6 |============================================================
   7 |==========================================================
   8 |============================================================
   9 |==============================================================
   a |==============================================================
   b |=============================================================
   c |===========================================================
   d |===========================================================
   e |===========================================================
   f |============================================================


Pretty much equally spread across the keyspace.


-- 
Tracy Reed
http://copilotconsulting.com

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