Github user rmetzger commented on a diff in the pull request:
https://github.com/apache/flink/pull/553#discussion_r29572469
--- Diff:
flink-runtime/src/main/scala/org/apache/flink/runtime/taskmanager/TaskManager.scala
---
@@ -129,6 +130,41 @@ class TaskManager(val connectionInfo:
InstanceConnectionInfo,
override def getValue: Double =
ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage()
})
+
+ // Preprocessing steps for registering cpuLoad
+ // fetch the method to get process CPU load
+ val getCPULoadMethod: Method = getMethodToFetchCPULoad()
+
+ // define the fetchCPULoad method as per the fetched getCPULoadMethod
+ val fetchCPULoad: (Any) => Double = if (getCPULoadMethod != null) {
+ (obj: Any) => getCPULoadMethod.invoke(obj).asInstanceOf[Double]
+ } else {
+ (obj: Any) => {
+ log.warning("getProcessCpuLoad method not available in the Operating
System Bean" +
--- End diff --
Correct me if i'm wrong, but this log message will appear everytime the
cpuLoad is acquired (I think by default 5 seconds).
So Java 6 user's will have quite a polluted log
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