Current Hadoop environment release is 2.4.1 (stable)
The system contains 76 nodes with a total capacity of 12.4 TB and a redundancy factor of 3 (~4TB true capacity).
There are currently no quotas in place however should the need arise they will be implemented. Please minimize HDFS storage usage to a minimum of persistent content requirements.
Large content can be prestaged for HDFS in the group working directory (/work/<group>). See How to logon and transfer files for more details.
The hadoop cluster uses a namenode called namenode2. It is accessible from cystorm.its.iastate.edu
The hadoop cluster utilizes the Ethernet network.
See Using Hadoop portion of the cluster for instructions on how to use Hadoop on CyStorm.