Hi Yun,

thank you for the advice, but how would you suggest doing it to get the metrics 
also for each TaskManager?
I do not urgently need to use REST because I’m running my code within Flink. 
Maybe there is another way to access it?

Thanks a lot.

Benjamin
Am 2. Apr. 2019, 18:26 +0200 schrieb Yun Tang <myas...@live.com>:
> Hi Benjamin
>
> Try this
> http://localhost:8081/jobs/{job-id}/vertices/{vertices-id}/subtasks/{subtask-index}/metrics?get=numBytesInLocalPerSecond
>
> You could GET http://localhost:8081/jobs/ to know running jobs,  and GET 
> http://localhost:8081/jobs/{job-id}/vertices/ to know all vertices similarly.
>
> However, AFAIK, if you use REST API to query I'm afraid you cannot directly 
> know the received records per task manager, and you have to gather these 
> metrics per task.
>
> Best
> Yun Tang
> From: Benjamin Burkhardt <pri...@benjaminburkhardt.de>
> Sent: Tuesday, April 2, 2019 21:56
> To: user@flink.apache.org; Yun Tang
> Subject: Re: Metrics for received records per TaskManager
>
> Hi Yun,
>
> thanks for the hint. I tried to access the metric through the REST API 
> calling 
> http://localhost:8081/taskmanagers/2264f296385854f2d1fb4d121495822a/metrics?get=
>  numBytesInRemotePerSecond.
>
> Unfortunately the metric is not available...
>
> Only these are avaiblable:
> [{"id":"Status.Network.AvailableMemorySegments"},{"id":"Status.JVM.Memory.NonHeap.Committed"},{"id":"Status.JVM.Memory.Mapped.TotalCapacity"},{"id":"Status.JVM.Memory.NonHeap.Used"},{"id":"Status.JVM.GarbageCollector.G1_Old_Generation.Count"},{"id":"Status.Network.TotalMemorySegments"},{"id":"Status.JVM.Memory.Direct.MemoryUsed"},{"id":"Status.JVM.Memory.Mapped.MemoryUsed"},{"id":"Status.JVM.CPU.Time"},{"id":"Status.JVM.GarbageCollector.G1_Young_Generation.Count"},{"id":"Status.JVM.Threads.Count"},{"id":"Status.JVM.GarbageCollector.G1_Old_Generation.Time"},{"id":"Status.JVM.Memory.Direct.TotalCapacity"},{"id":"Status.JVM.Memory.Heap.Committed"},{"id":"Status.JVM.ClassLoader.ClassesLoaded"},{"id":"Status.JVM.Memory.Mapped.Count"},{"id":"Status.JVM.Memory.Direct.Count"},{"id":"Status.JVM.CPU.Load"},{"id":"Status.JVM.Memory.Heap.Used"},{"id":"Status.JVM.Memory.Heap.Max"},{"id":"Status.JVM.ClassLoader.ClassesUnloaded"},{"id":"Status.JVM.GarbageCollector.G1_Young_Generation.Time"},{„id“:“Status.JVM.Memory.NonHeap.Max“}]
>
>
> How do I enable it, maybe in the flink-conf?
>
> Thanks.
>
> Benjamin
> Am 2. Apr. 2019, 10:37 +0200 schrieb Yun Tang <myas...@live.com>:
> > Hi Benjamin
> >
> > I think 'numBytesInLocalPerSecond' and 'numBytesInRemotePerSecond' which 
> > indicate 'The number of bytes this task reads from a local source per 
> > second' and 'The number of bytes this task reads from a remote source per 
> > second' respectively could help you. If you want to track the information 
> > by each TaskManager, please group the metrics by tag 'tm_id'.
> >
> > You could refer to 
> > https://ci.apache.org/projects/flink/flink-docs-stable/monitoring/metrics.html#io
> >   for more information.
> >
> > Best
> > Yun Tang
> >
> > From: Benjamin Burkhardt <pri...@benjaminburkhardt.de>
> > Sent: Tuesday, April 2, 2019 15:00
> > To: user@flink.apache.org
> > Subject: Metrics for received records per TaskManager
> >
> > Hi all,
> >
> > I’m looking for a metric which allows me keeping track of the records or 
> > bytes each TaskManager has received or processed for the current task.
> >
> > Can anyone help me getting this?
> >
> > Thanks.
> >
> > Benjamin

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