Looks like coordination isn't happening correctly. What do the master task logs show? Are you sure that everyone can resolve and access master:22181?
On Jun 2, 2012, at 11:39 AM, Harshit Sharan <[email protected]> wrote: > Hi, > > I recently started working on Haddop. Currently I have created a setup on 3 > machines, where one is the job-tracker and all three are tasktrackers. > The hadoop is working absolutely fine with the hadoop examples. > When I ran Giraph eg of SimpleShortestPathsVertex , it worked absolutely > fine when number of workers=1. > When I increase the number of workers to 2 or 3 the program hangs up. > > I'm using the following command to run the giraph jar : > hadoop jar > /home/harshit/Downloads/giraph-0.1.0-incubating-src/target/giraph-0.1-jar-with-dependencies.jar > org.apache.giraph.examples.SimpleShortestPathsVertex > -Dgiraph.zkList=master:22181 /user/hduser/giraph/spig > /user/hduser/giraph/output/spig90/ 6 2 > > The program sticks here : > 12/06/02 15:02:36 INFO mapred.JobClient: Running job: job_201206021425_0006 > 12/06/02 15:02:37 INFO mapred.JobClient: map 0% reduce 0% > 12/06/02 15:02:54 INFO mapred.JobClient: map 33% reduce 0% > > > A part of the tasktracker log of machine1 is : > > 2012-06-02 15:02:46,899 INFO org.apache.hadoop.mapred.TaskTracker: JVM with > ID: jvm_201206021425_0006_m_-330406748 given task: > attempt_201206021425_0006_m_000001_0 > 2012-06-02 15:02:53,848 INFO org.apache.hadoop.mapred.TaskTracker: > attempt_201206021425_0006_m_000001_0 0.0% startSuperstep: WORKER_ONLY - > Attempt=0, Superstep=-1 > > > and part of the tasktracker log of machine2 is: > > 2012-06-02 15:00:36,960 INFO org.apache.hadoop.mapred.TaskTracker: JVM with > ID: jvm_201206021425_0006_m_1076001946 given task: > attempt_201206021425_0006_m_000000_0 > 2012-06-02 15:00:44,124 INFO org.apache.hadoop.mapred.TaskTracker: > attempt_201206021425_0006_m_000000_0 1.0% MASTER_ONLY - 0 finished out > of 2 on superstep -1 > 2012-06-02 15:01:44,215 INFO org.apache.hadoop.mapred.TaskTracker: > attempt_201206021425_0006_m_000000_0 1.0% MASTER_ONLY - 0 finished out > of 2 on superstep -1 > > > Please provide any help possible. Am I missing out anything or there is > some other problem?? > > Thanks, > Harshit Sharan
