hELLO TO EVERY BODY I AM A NEW HAOODP USER I STARTED RUNNING HADOOP USING SITE http://hadoop.apache.org/core/docs/current/quickstart.html BUT WHEN I RUN COMMAND " bin/hadoop jar hadoop-*-examples.jar grep input output 'dfs[a-z.]+' ", IN PSEDUO DISTRIBUTED MODE I GET ERROR LIKE :::
Task task_200801251420_0007_m_000006_0 failed to report status for 601 seconds. Killing! Task task_200801251420_0007_m_000007_0 failed to report status for 602 seconds. Killing! AND SO ON... THEN ALL THE TAKED GETS KILLED ........ BUT STILL DATANODE IS ALIVE... I HAVE BEEN RUNNING HADOOP IN VMWARE AND ON 512MB RAM MACHINE...... SO PLZ HELP ME IN SOLVING THIS PROBLEM... THANKS IN ADVANCE. REGARDS, ASHISH