add org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor Iostat 60 /usr/bin/iostat -x -k 55 2 0
add org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor Df 60 /bin/df -l 0
add org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor Sar 60 /usr/bin/sar -q -r -n ALL 55 0
add org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor Top 60 /usr/bin/top -b -n 1 -c 0