Sample Image

Description

Similar to the NameNode Statistics the DataNode hase counters showing which operations the DataNode is performing. This can help us determine if workload is heavily read or write intensive.

Sample Output

             sh /var/www/html/cacti-jtg/scripts/0_19/datanode/DataNodeStatistics.sh
             service:jmx:rmi:///jndi/rmi://10.0.1.2:10003/jmxrmi controlRole fgfgf
             hadoop.dfs:name=DataNodeStatistics,service=DataNode-DS-1430086354-10.0.1.2-50010-1238557646398,
             output: BytesRead:87760707 BytesWritten:175391134 BlocksRead:10 BlocksRemoved:0
             BlocksReplicated:0 BlocksWritten:0
          

Code Specific

Continue to NameNode Stats Graph