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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: Observers!
Date Wed, 18 Nov 2009 23:47:34 GMT
Congratulations.  This is a huge feature.  And it was clearly a pretty
significant and impressive effort.

On Wed, Nov 18, 2009 at 3:45 PM, Henry Robinson <henry@cloudera.com> 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
> >
>



-- 
Ted Dunning, CTO
DeepDyve

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