Chris, thank you :) I am using branch 2. Can you tell me which code receives the heartbeat? and which code selects the random rack for replication?
On Fri, Apr 12, 2013 at 12:25 AM, Chris Nauroth <cnaur...@hortonworks.com>wrote: > Hello Mohammad, > > Which version of the codebase? > > If it's trunk or branch-2, then for the datanode side, I recommend starting > from > > hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java. > Look for a method named sendHeartBeat. On the namenode side, look at > > hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java. > Look for a method named sendHeartbeat. (Notice the slight difference in > capitalization of letter 'b'.) > > If it's a different branch, let me know, and I'd be happy to provide help > on the specifics of that branch. > > Hope this helps, > --Chris > > > On Wed, Apr 10, 2013 at 11:03 PM, Mohammad Mustaqeem < > 3m.mustaq...@gmail.com > > wrote: > > > Which java code(file) generates the heartbeat from the datanode and > > which code(file) listen that heartbeat on the namenode? > > -- > > *With regards ---* > > *Mohammad Mustaqeem*, > > M.Tech (CSE) > > MNNIT Allahabad > > 9026604270 > > > -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad 9026604270
