The AvatarNode does use zookeeper (but since this is not directly related to Apache HDFS code, if u have more questions, please send it to me directly).
The latest AvatarNode code is in https://github.com/facebook/hadoop-20-append/tree/master/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs thanks, dhruba On Sat, Apr 23, 2011 at 11:17 AM, Jason Rutherglen < jason.rutherg...@gmail.com> wrote: > This is an interesting question. AvatarNode doesn't use Zookeeper? > Is there a drawback to implementing ZK for the NameNode other than the > potential bugs from a newly engineered feature? > > Perhaps this issue is the main one for implementing the NameNode in > ZK? HDFS-1623 > > On Fri, Apr 22, 2011 at 10:41 PM, Jean-Daniel Cryans > <jdcry...@apache.org> wrote: > > This is a 1M$ question. You could start thinking about this problem by > > looking at what "AvatarNode" does: > > https://issues.apache.org/jira/browse/HDFS-976 > > > > J-D > > > > On Fri, Apr 22, 2011 at 10:17 PM, Ozcan ILIKHAN <ilik...@cs.wisc.edu> > wrote: > >> Hi, > >> Does anyone have any idea about how we can use HDFS with ZooKeeper? More > >> elaborately if NameNode fails DataNodes should be able to retrieve > address > >> of new NameNode from ZooKeeper. > >> > >> Thanks, > >> --------------------------------- > >> Ozcan ILIKHAN > >> PhD Student, Graduate Research Assistant > >> Department of Computer Sciences > >> University of Wisconsin-Madison > >> http://pages.cs.wisc.edu/~ilikhan > >> > > > -- Connect to me at http://www.facebook.com/dhruba
