Splite cpu/memory info in OSUtils#isOverload (#12663)

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/OSUtils.java

@@ -477,10 +477,14 @@ public class OSUtils {
         double loadAverage = loadAverage();
         // system available physical memory
         double availablePhysicalMemorySize = availablePhysicalMemorySize();
-        if (loadAverage > maxCpuLoadAvg || availablePhysicalMemorySize < reservedMemory) {
+        if (loadAverage > maxCpuLoadAvg) {
+            logger.warn("Current cpu load average {} is too high, max.cpuLoad.avg={}", loadAverage, maxCpuLoadAvg);
+            return true;
+        }
+
+        if (availablePhysicalMemorySize < reservedMemory) {
             logger.warn(
-                    "Current cpu load average {} is too high or available memory {}G is too low, under max.cpuLoad.avg={} and reserved.memory={}G",
-                    loadAverage, availablePhysicalMemorySize, maxCpuLoadAvg, reservedMemory);
+                    "Current available memory {}G is too low, reserved.memory={}G", maxCpuLoadAvg, reservedMemory);
             return true;
         }
         return false;