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Posted to common-user@hadoop.apache.org by ashish pareek <pa...@gmail.com> on 2009/05/16 11:01:07 UTC

TASKS KILLED WHEN RUNNING : bin/hadoop jar hadoop-*-examples.jar grep input output 'dfs[a-z.]+'

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