aphyr/riemann-tools — pull request #4 by mindreframer (2012-10-11 08:31:21+00:00)
Title: Prevent riemann-health from failing to report memory on OpenVZ virtual machines. 

Prevent riemann-health from failing to report memory on OpenVZ virtual machines.
Example values for memory:
{"MemFree"=>3710276, "MemTotal"=>7340032, "SwapFree"=>0, "SwapTotal"=>0}
just ensure we're adding up numbers (.to_i)