Hi All, I have deployed mesos on three node: master, slave1, slave5. and it works well.
Then I set hadoop over it, using master as namenode, and master, slave1, slave5 as datanode. When I using 'jps', it looks works well. [root@master logs]# jps 13896 RunJar 14123 Jps 12718 NameNode 12900 DataNode 13374 TaskTracker 13218 JobTracker Then I run test benchmark, it can not go on working... [root@master hadoop-0.20.205.0]# bin/hadoop jar hadoop-examples-0.20.205.0.jar randomwriter -Dtest.randomwrite.bytes_per_map=6710886 -Dtest.randomwriter.maps_per_host=10 rand Running 30 maps. Job started: Thu Apr 18 16:49:36 CST 2013 13/04/18 16:49:36 INFO mapred.JobClient: Running job: job_201304181646_0001 13/04/18 16:49:37 INFO mapred.JobClient: map 0% reduce 0% It stopped here. Then I read the log file: hadoop-root-jobtracker-master.log, it shows: 2013-04-18 16:46:51,724 INFO org.apache.hadoop.mapred.JobTracker: Starting RUNNING 2013-04-18 16:46:51,726 INFO org.apache.hadoop.ipc.Server: IPC Server handler 5 on 9001: starting 2013-04-18 16:46:51,727 INFO org.apache.hadoop.ipc.Server: IPC Server handler 6 on 9001: starting 2013-04-18 16:46:51,727 INFO org.apache.hadoop.ipc.Server: IPC Server handler 9 on 9001: starting 2013-04-18 16:46:51,727 INFO org.apache.hadoop.ipc.Server: IPC Server handler 7 on 9001: starting 2013-04-18 16:46:51,727 INFO org.apache.hadoop.ipc.Server: IPC Server handler 8 on 9001: starting 2013-04-18 16:46:52,557 INFO org.apache.hadoop.net.NetworkTopology: Adding a new node: /default-rack/master 2013-04-18 16:46:52,560 INFO org.apache.hadoop.mapred.JobTracker: Adding tracker tracker_master:localhost/127.0.0.1:44997 to host master 2013-04-18 16:46:52,568 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:46:55,581 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:46:58,590 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:01,600 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:04,609 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:07,618 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:10,625 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:13,632 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:13,686 INFO org.apache.hadoop.net.NetworkTopology: Adding a new node: /default-rack/slave5 2013-04-18 16:47:13,686 INFO org.apache.hadoop.mapred.JobTracker: Adding tracker tracker_slave5:127.0.0.1/127.0.0.1:60621 to host slave5 2013-04-18 16:47:13,687 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://slave5:50060. 2013-04-18 16:47:16,638 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:16,697 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://slave5:50060. 2013-04-18 16:47:19,645 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:19,707 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://slave5:50060. 2013-04-18 16:47:22,651 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:22,715 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://slave5:50060. 2013-04-18 16:47:25,658 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. 2013-04-18 16:47:25,725 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://slave5:50060. 2013-04-18 16:47:28,665 INFO org.apache.hadoop.mapred.MesosScheduler: Unknown/exited TaskTracker: http://master:50060. Does anybody can help me? Thanks very much!
