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From Konstantin Boudnik <>
Subject Meetup invitation: Consensus based replication in Hadoop
Date Wed, 09 Jul 2014 05:54:24 GMT
[cross-posted from hdfs-dev@hadoop, common-dev@hadoop]

We'd like to invite you to the 
    Consensus based replication in Hadoop: A deep dive
event that we are happy to hold in our San Ramon office on July 15th at noon.
We'd like to accommodate as many people as possible, but I think are physically
limited to 30 (+/- a few), so please RSVP to this Eventbrite invitation:

We'll provide pizza and beverages (feel free to express your special dietary
requirements if any).

See you soon!
With regards,

On Wed, Jun 18, 2014 at 08:45PM, Konstantin Boudnik wrote:
> Guys,
> In the last a couple of weeks, we had a very good and productive initial round
> of discussions on the JIRAs. I think it is worthy to keep the momentum going
> and have a more detailed conversation. For that, we'd like to host s Hadoop
> developers meetup to get into the bowls of the consensus-based coordination
> implementation for HDFS. The proposed venue is our office in San Ramon, CA.
> Considering that it is already a mid week and the following one looks short
> because of the holidays, how would the week of July 7th looks for yall?
> Tuesday or Thursday look pretty good on our end.
> Please chime in on your preference either here or reach of directly to me.
> Once I have a few RSVPs I will setup an event on Eventbrite or similar.
> Looking forward to your input. Regards,
>   Cos
> On Thu, May 29, 2014 at 02:09PM, Konstantin Shvachko wrote:
> > Hello hadoop developers,
> > 
> > I just opened two jiras proposing to introduce ConsensusNode into HDFS and
> > a Coordination Engine into Hadoop Common. The latter should benefit HDFS
> > and  HBase as well as potentially other projects. See HDFS-6469 and
> > HADOOP-10641 for details.
> > The effort is based on the system we built at Wandisco with my colleagues,
> > who are glad to contribute it to Apache, as quite a few people in the
> > community expressed interest in this ideas and their potential applications.
> > 
> > We should probably keep technical discussions in the jiras. Here on the dev
> > list I wanted to touch-base on any logistic issues / questions.
> > - First of all, any ideas and help are very much welcome.
> > - We would like to set up a meetup to discuss this if people are
> > interested. Hadoop Summit next week may be a potential time-place to meet.
> > Not sure in what form. If not, we can organize one in our San Ramon office
> > later on.
> > - The effort may take a few months depending on the contributors schedules.
> > Would it make sense to open a branch for the ConsensusNode work?
> > - APIs and the implementation of the Coordination Engine should be a fairly
> > independent, so it may be reasonable to add it directly to Hadoop Common
> > trunk.
> > 
> > Thanks,
> > --Konstantin

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