This is a question for the end users. Do any of the applications you run on your cluster use an alternative memory allocator such as jemalloc or tcmalloc? If so, which one? David Byte Sr. Technology Strategist Alliances and Integrated Systems SUSE dbyte at suse.com (P)918.528.4422 www.suse.com https://www.suse.com/partners/integrated-systems/