Hi Dhruv,

> On May 12, 2016, at 11:07pm, Dhruv Gohil <yourfrienddh...@gmail.com> wrote:
> 
> Hi Prateek,
> 
>  
> <https://github.com/dataArtisans/yahoo-streaming-benchmark/blob/master/flink-benchmarks/src/main/java/flink/benchmark/utils/ThroughputLogger.java>https://github.com/dataArtisans/yahoo-streaming-benchmark/blob/master/flink-benchmarks/src/main/java/flink/benchmark/utils/ThroughputLogger.java
>  
> <https://github.com/dataArtisans/yahoo-streaming-benchmark/blob/master/flink-benchmarks/src/main/java/flink/benchmark/utils/ThroughputLogger.java>
> https://github.com/dataArtisans/yahoo-streaming-benchmark/blob/master/flink-benchmarks/src/main/java/flink/benchmark/utils/AnalyzeTool.java
>  
> <https://github.com/dataArtisans/yahoo-streaming-benchmark/blob/master/flink-benchmarks/src/main/java/flink/benchmark/utils/AnalyzeTool.java>
> 
> help you measure  throughput and latency both, from within topology.

The AnalyzeTool is processing a file that has lines which match the pattern:

Pattern latencyPattern = Pattern.compile(".*Latency ([0-9]+) ms.*”);

This isn’t something created by the ThroughputLogger.

Who generates these files, and how do they calculate the latency?

Thanks,

— Ken



> On Thursday 12 May 2016 11:21 PM, Konstantin Knauf wrote:
>> Hi Prateek,
>> 
>> regarding throughput, what about simply filling the input Kafka topic
>> with some (a lot) of messages and monitor (e.g.
>> http://quantifind.github.io/KafkaOffsetMonitor/ 
>> <http://quantifind.github.io/KafkaOffsetMonitor/>) how quickly Flink can
>> work the lag off. The messages should be representative of your use
>> case, of course.
>> 
>> Latency is harder, I think, and I would also be interested in the
>> approaches of others to measure latency in Flink.
>> 
>> To some extend, you could do it by adding some logging inside Flink, but
>> this effects latency and only measure latency whithin Flink (excluding
>> reading from source and writing to sink).
>> 
>> Cheers,
>> 
>> Konstantin
>> 
>> On 12.05.2016 18:57, prateekarora wrote:
>>> Hi
>>> 
>>> How can i measure  throughput and latency  of my application in flink 1.0.2
>>> ?
>>> 
>>> Regards
>>> Prateek
>>> 
>>> 
>>> 
>>> --
>>> View this message in context: 
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>>>  
>>> <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/How-to-measure-Flink-performance-tp6741p6863.html>
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>>> 
> 

--------------------------
Ken Krugler
+1 530-210-6378
http://www.scaleunlimited.com
custom big data solutions & training
Hadoop, Cascading, Cassandra & Solr



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