protected static int parseAsInt(String number) {
      int i = 0;
      try {
        i = Integer.parseInt(number);
      } catch (NumberFormatException ignore) {
      }
      return i;
    }
@return the number of running processes on the system
geode-core/src/main/java/org/apache/geode/internal/statistics/platform/LinuxProcFsStatistics.java