Is this referring to CDH2 as in Clouderas Dist for Hadoop? If so, the answer is no, but I will comment by saying that I have been experiencing issues just trying to get a plain Vanilla CDH2 cluster up and running. I was able to do so without any hitches a while back, but lately, the hadoop-ec2 scripts seem to hang when attempting to start the tasktrackers on slave nodes. I suspect it's some kind of network issue as the tasktracker daemons seem to have started properly on the nodes, but haven't gotten around to pinpointing the exact problem. The 0.18.3 release (CDH) works for me without any problems so I suspect it's something with the way the new init script in CDH2 sets up the security groups/ports on the slave machines.
On Mon, Jan 11, 2010 at 9:32 AM, Drew Farris <[email protected]> wrote: > On Mon, Jan 11, 2010 at 9:25 AM, Otis Gospodnetic < > [email protected]> wrote: > > > > > > And talking about dependencies, what does this mean (from core/pom.xml): > > > > <dependency> > > <groupId>org.apache.hadoop</groupId> > > <artifactId>hadoop-core</artifactId> > > </dependency> > > > Maven has a way of centralizing the definition of version numbers for > dependencies into the parent pom. The version of hadoop is inherited from > dependencyManagement section of the parent pom (maven/pom.xml). > > It saves the cost of definition and maintenance of the version in all of > the > child projects, at the cost of making it less clear when looking at the > child pom itself. > > Drew > -- Zaki Rahaman
