not really, all I can say is try and work with flat models and '=='
operators for performance - we currently don't optimise != or number
ranges. Avoid eval, predicate and return value unless you really need
them. Keep your consequences short and avoid flow logic in them, i.e.
'if'/'switch ' statements.
Mark
Olenin, Vladimir (MOH) wrote:
Ok, found the descriptions -- for anyone interested, you need to
switch into 'JBoss Rules' prospective and open 'Properties' tab. This
way whenever you select a node, information about the node would be
displayed there (Properties tab won't get activated automatically).
Mark, any general hints on correlations between diagram 'look' &
performance implications? (eg, "the more 'alpha' nodes, the worse/the
better is performance", "the more connections to the node, the ____ is
performance", etc)
Thanks
------------------------------------------------------------------------
*From:* rules-users-bounces(a)lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] *On Behalf Of *Mark Proctor
*Sent:* 09 March 2007 18:18
*To:* Rules Users List
*Subject:* Re: [rules-users] Rete diagram legend - what do all the
colors mean?...
yes if you understand the rete diagram you can can help it with
understanding performance. If you click on a node it tells you the
type. Which are roughly
root, object type node, alpha node, join node, not node, exists node,
eval node and terminal node. Can't remenber which has which colour,
but you should be able to figure it out, we discuss the node types
briefly in the manual.
Mark
Olenin, Vladimir (MOH) wrote:
Hi,
I was trying to make some sense out of Rete Diagram for my rules
(DROOLS 3.1M), and one of the questions I have is what all these
colors mean? There are red, blue, yellow, green, orange, white, cyan
and black circles.... I might be wrong, but I think this should mean
something!
Also, I noticed that by default the diagram is displayed in 'layers'
of dots. In my case I have 7 layers, the top one being the 'root' I
assume (single white circle). The 'widest' layer is the middle one --
the forth layer. So, generally the diagram has a diamond shape. I
wonder if one can use this kind of visual information to make a rough
estimation/assumption on how efficient his rules/constraints are, some
hints into optimization, etc....
Thanks,
Vlad
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