Will the avatar node be part of 0.22?
On Sat, Apr 23, 2011 at 6:29 PM, Dhruba Borthakur <dhr...@gmail.com> wrote: > 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 >
