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swap and MapR

Question asked by gabi_k on Feb 17, 2013
Latest reply on Feb 24, 2013 by gabi_k

I have M3, 5 nodes cluster. 
i have 24G RAM on each node, and on the CLDB i have 20G Swap. 

On the Task log i got :  

    2013-02-18 12:28:07,586 WARN org.apache.hadoop.mapreduce.util.ProcfsBasedProcessTree:
    /proc/<pid>/status does not have information about swap space used(VmSwap). Can not track swap usage of a task.

Someone know what is it mean?