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From Patrick Hunt <ph...@apache.org>
Subject Re: Observers!
Date Thu, 19 Nov 2009 00:00:08 GMT
I'm really psyched to see this go into the 3.3 code line, kudos to Henry 
and the rest of the team in getting this landed!

Patrick

ps. gentle reminder - the user list is primarily for answering user 
questions on released software, many users don't follow future 
developments and can be confused as to what's current and what's future. 
(this comes from apache -> me -> you) I'd encourage all of you that are 
interested in things like Observers to follow the dev list, it would be 
great if you all could try out the Observers feature (and the other 
features that we are working on for 3.3.0) in the current trunk and 
provide early feedback via the dev list. Thank you.

Henry Robinson wrote:
> Thanks! Also thanks are due to the entire ZK committer team who helped
> enormously in getting the patch into shape.
> 
> Since the JIRA is now a long and complicated read, I want to summarise a
> couple of important points here (although the docs have most of this
> information).
> 
> 1. Observers must currently be used with electionAlg=0; this is due to a
> limitation of the other election algorithms which is being removed in
> another JIRA.
> 2. This is only the 'core functionality' patch - you can use Observers in
> your ensembles as of this commit (and I would love to hear experiences from
> people who do so), but there's more to come in terms of optimisations and
> the sanding down of some rough edges. In particular, the configuration is a
> bit cumbersome and we already have a JIRA open to address that.
> 
> cheers,
> Henry
> 
> 
> On Wed, Nov 18, 2009 at 3:35 PM, Gustavo Niemeyer <gustavo@niemeyer.net>wrote:
> 
>> ------------------------------------------------------------------------
>> r881882 | mahadev | 2009-11-18 13:06:39 -0600 (Wed, 18 Nov 2009) | 1 line
>>
>> ZOOKEEPER-368. Observers: core functionality (henry robinson via mahadev)
>>
>>
>> Sweet!  Congratulations, and thanks Henry.
>>
>>
>> --
>> Gustavo Niemeyer
>> http://niemeyer.net
>>
> 

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