Hi user, As I said before, I am using the XSEDE comet cluster which has the following specifications
**Number of cores per node - 24** **Memory per node - 128 GB** The file system is NFS, hence there is nothing like number of disks per machine. I went through the previous discussions, but I could not get any clarity with respect to my current needs. I followed this link,_*** http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.4.3/bk_installing_manually_book/content/determine-hdp-memory-config.html***_, but still I got exception like this (found in the userlogs) 2017-02-16 20:50:19,002 **ERROR [main] yarn.GiraphYarnTask (GiraphYarnTask.java:main(187)) - GiraphYarnTask** threw a top-level exception, failing task java.lang.UnsupportedClassVersionError: hu/elte/inf/mbalassi/msc/giraph/betweenness/BetweennessComputation : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.s
