-# Limit each rails process to a 512Mb resident set size
-Process.setrlimit Process::RLIMIT_AS, 640*1024*1024, Process::RLIM_INFINITY
+# Limit each rails process to a 512Mb resident set size if possible
+if Process.const_defined?(:RLIMIT_AS)
+ Process.setrlimit Process::RLIMIT_AS, 640*1024*1024, Process::RLIM_INFINITY
+end
# Force a restart after every 10000 requests
COUNT = 0