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From Konstantin Boudnik <...@apache.org>
Subject Re: Introducing ConsensusNode and a Coordination Engine
Date Thu, 29 May 2014 21:45:37 GMT
Crossposting from hdfs-dev@ list
Please add your feedback! The ZK-based coordination engine implementation is going to be posted
soon the aforementioned JIRAs


On May 29, 2014 2:09:37 PM PDT, Konstantin Shvachko <shv.hadoop@gmail.com> wrote:
>Hello hadoop developers,
>I just opened two jiras proposing to introduce ConsensusNode into HDFS
>a Coordination Engine into Hadoop Common. The latter should benefit
>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
>who are glad to contribute it to Apache, as quite a few people in the
>community expressed interest in this ideas and their potential
>We should probably keep technical discussions in the jiras. Here on the
>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
>Not sure in what form. If not, we can organize one in our San Ramon
>later on.
>- The effort may take a few months depending on the contributors
>Would it make sense to open a branch for the ConsensusNode work?
>- APIs and the implementation of the Coordination Engine should be a
>independent, so it may be reasonable to add it directly to Hadoop

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