Sample Image

Description

Files in Hadoop are composed man large blocks. Unlike a typical file system where blocks are 4K-16K Hadoop blocks are typically 64MB and higher. When combined with the Files Total Graph, Name Node Capacity you have all the major information to help you determine if data is being stored optimally across HDFS.

Sample Output

            sh 0_19/namenode/FSNamesystemStatus.sh \
            service:jmx:rmi:///jndi/rmi://10.0.1.2:10001/jmxrmi  controlRole \ afgfsg
            , output: CapacityTotal:2113748992 CapacityUsed:129835008 \
            CapacityRemaining:333242368 BlocksTotal:920 FilesTotal:2046 numDeadDataNodes:0
          

Continue to NameNode Capacity Graph