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From rmetzger <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-1792] TM Monitoring: CPU utilization, h...
Date Mon, 04 May 2015 08:51:10 GMT
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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