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 >> >
