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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1792) Improve TM Monitoring: CPU utilization, hide graphs by default and show summary only
Date Fri, 10 Apr 2015 13:02:12 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14489564#comment-14489564
] 

ASF GitHub Bot commented on FLINK-1792:
---------------------------------------

Github user rmetzger commented on a diff in the pull request:

    https://github.com/apache/flink/pull/553#discussion_r28142164
  
    --- Diff: flink-runtime/src/main/scala/org/apache/flink/runtime/taskmanager/TaskManager.scala
---
    @@ -759,6 +778,24 @@ class TaskManager(val connectionInfo: InstanceConnectionInfo,
     
         task.unregisterMemoryManager(memoryManager)
       }
    +
    +  /**
    +   * Returns CPU Load if getProcessCpuLoad method is present
    +   * in the implementation of OperatingSystemMXBean
    +   * else returns -1
    +   *
    +   * @param obj
    +   * @return
    +   */
    +  private def fetchCPULoad(obj: Any): Any = {
    --- End diff --
    
    Why is this method not returning Double?


> Improve TM Monitoring: CPU utilization, hide graphs by default and show summary only
> ------------------------------------------------------------------------------------
>
>                 Key: FLINK-1792
>                 URL: https://issues.apache.org/jira/browse/FLINK-1792
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Webfrontend
>    Affects Versions: 0.9
>            Reporter: Robert Metzger
>            Assignee: Sachin Bhat
>
> As per https://github.com/apache/flink/pull/421 from FLINK-1501, there are some enhancements
to the current monitoring required
> - Get the CPU utilization in % from each TaskManager process
> - Remove the metrics graph from the overview and only show the current stats as numbers
(cpu load, heap utilization) and add a button to enable the detailed graph.



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