Ivan, Yes, that is correct, its the DataNode that initiates the heartbeating process.
On Tue, Oct 18, 2011 at 9:48 PM, <[email protected]> wrote: > Hi Harsh, > > That brings up an interesting question i wanted to ask. > > The connection between the data nodes and the name node is initiated by > the data node and not by the name node, based on the config file on the > data node machine. > > Correct? > > Cheers, > Ivan > > On 10/17/11 9:28 PM, "Harsh J" <[email protected]> wrote: > >>Hey Alexander, >> >>Just install the DataNode packages on the machine and configure it >>(copy over a config from existing DN perhaps, but make sure to check >>the dfs.data.dir properties before you start), and start it up. >> >>It will join the cluster as long as the configuration points to the >>right fs.default.name address. Same for TaskTracker as long as it has >>the right mapred.job.tracker address. >> >>If you are using SCM, and this question is along the lines of using >>SCM to do such a thing, please direct your question to >>[email protected] >>(https://groups.google.com/a/cloudera.org/group/scm-user) >> >>On Tue, Oct 18, 2011 at 6:11 AM, Gauthier, Alexander >><[email protected]> wrote: >>> Hi guys, noob questions; >>> >>> >>> >>> What do I need to install a new node soon to be added to a cluster and >>> how do I add it? I'm using CDH3 distribution. >>> >>> >>> >>> Thank you!! >>> >>> >>> >>> Alex Gauthier >>> >>> Engineering Manager >>> Teradata Corp. >>> Mobile: 510-427-5447 >>> Office: 858-485-2144 >>> fax: 858-485-2581 >>> www.teradata.com <http://www.teradata.com> >>> >>> >>> >>> >> >> >> >>-- >>Harsh J >> > > -- Harsh J
