Hi Pawel

The "Concept" wiki page (http://wiki.basho.com/Concepts.html#Reading%2C-Writing%2C-and-Updating-Data) has a  good introduction to the most important paramters. Casing doesn't matter, so r=R.

The Riak Handbook has a good and deep explanation of what those parameters are http://riakhandbook.com

Martin Westergaard Lassen
Software Pilot
 
Trifork A/S
Margrethepladsen 4 · 8000 Aarhus C. · Denmark
Mobile +45 31 12 10 59
 


Den 08/10/2012 kl. 22.56 skrev kamiseq <[email protected]>:

Im looking for explanation what exactly r, pr, w, dw, pw, rw stands for.

Im sorry if this was already posted but I cannot find anything on
that. I tried wiki.basho.com/Riak-Glossary.html,
http://wiki.basho.com/HTTP-API.html#Bucket-Operations,
http://wiki.basho.com/Buckets.html but it only describes N, R, W.

do I understand correctly that W property is only considered when
updating value and for first store N value is used? or is it:
replicate data N times but return success if it was persisted to W
vnodes.
if DW is durable write then what W really means? can I get successful
response after write operation without object being persisted to
durable storage??

I must admit Im quite confused here.

And second question, If I set r, pr, w, dw, pw, rw in app.config for
every configured node in cluster those values will not be added to
gossiped information, right?

pozdrawiam
Paweł Kamiński

[email protected]
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