Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/553#discussion_r29662751
--- Diff:
flink-runtime/src/main/scala/org/apache/flink/runtime/taskmanager/TaskManager.scala
---
@@ -1894,6 +1895,52 @@ object TaskManager {
override def getValue: Double =
ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage()
})
+
+ // Preprocessing steps for registering cpuLoad
+ // fetch the method to get process CPU load
+ val getCPULoadMethod: Method = getMethodToFetchCPULoad()
--- End diff --
Why not making `getCPULoadMethod` an `Option[Method]`? That way one avoids
vicious `null` values.
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