Hi.. Did you look at the HDFS Namenode high availability? -Vinay On Jul 2, 2015 11:50 AM, "Dmitry Salychev" <darkness....@gmail.com> wrote:
> Hello, HDFS Developers. > > I know that NN is a single point of failure of an entire HDFS cluster. If > it fails, the cluster will be unavailable no matter how many DN there. I > know that there is an initiative < > http://www.wandisco.com/system/files/documentation/Meetup-ConsensusReplication.pdf> > which introduces ConsensusNode (as I can see it looks like distributed NN) > and related issues (HDFS-6469 < > https://issues.apache.org/jira/browse/HDFS-6469>, HADOOP-10641 < > https://issues.apache.org/jira/browse/HADOOP-10641> and HDFS-7007 < > https://issues.apache.org/jira/browse/HDFS-7007>). So, I'd like to ask. > > Has this NN-SPOF problem been solved? If it hasn't, can you show me an > entry point where I can help to solve it? > > Thanks for your time. > > >