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From Chesnay Schepler <ches...@apache.org>
Subject Re: Latency and Throughput
Date Fri, 16 Jun 2017 13:25:45 GMT

You don't have to measure anything yourself, since Flink exposes 
throughput/latency metrics as described in the System metrics/latency 
tracking sections of the metrics documentation.

You only have to setup a reporter that fetches these metrics (see the 
reporter section) and calculate sum/averages across the job.


On 16.06.2017 14:42, Paolo Cristofanelli wrote:
> Hi,
> it is my first question that I am asking in this mailing list, so I 
> hope you would forgive me if I miss something.
> I have started using flink recently, and now I would like to compute 
> some statistics, like throughput and latency, for my programs.
> I was reading this URL from the documentation ( 
> https://ci.apache.org/projects/flink/flink-docs-release-1.2/monitoring/metrics.html 
> ), but I do not understand how to use meters and how to measure 
> latency from this classes.
> I have also asked on stack overflow. ( 
> https://stackoverflow.com/questions/44587645/throughput-and-latency-on-apache-flink 
> )
> Thank for you time,
> Best Regards
> Paolo

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