I am trying to acquire statistics about my hdfs cluster in the lab. One stat
I am really interested in is the total throughput (gigabytes served) of the
cluster for 24 hours. I suppose I can look for 'cmd=open' in the log file of
the name node but how accurate is it? It seems there is no 'cmd=clos
Hi Rita,
An open file in HDFS doesn't take up any resources in the NN, so there is no
corresponding close operation.
Probably you want to increase the logging in the datanodes, which will print
out activity per client.
Brian
On May 3, 2011, at 6:58 AM, Rita wrote:
> I am trying to acquire st