ignore virtual memory(VMS), use memory usage of process(RSS) only

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk/utils@44078 20353a03-c40f-0410-a6d1-a30d3c3de9de

cloudooo/handler/ooo/monitor/memory.py

@@ -52,7 +52,7 @@ class MonitorMemory(Monitor, Process):
       if not hasattr(self, 'process') or \
           self.process.pid != int(self.openoffice.pid()):
         self.create_process()
-      return sum(self.process.get_memory_info()) / (1024 * 1024)
+      return self.process.get_memory_info().rss / (1024 * 1024)
     except TypeError:
       logger.debug("OpenOffice is stopped")
       return 0