Hi Liam Clarke,
Thanks for this elaboration.
Surely I will google.
One more question about Mbeans. If I am capturing system matrix on kafka broker 
using metricbeat, then is it possible that I will get those Mbeans?
I know this is out of the topic, but in general, if I capture JVM metric with 
any of the monitoring tools, then will I get it?



-----Original Message-----
From: Liam Clarke <liam.cla...@adscale.co.nz>
Sent: Friday, February 21, 2020 1:03 AM
To: users@kafka.apache.org
Subject: Re: [External] Re: Urgent helep please! How to measure producer and 
consumer throughput for single partition?

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The metrics are exposed in the JVM the producer is running within as Mbeans. 
The long string I gave you is the relevant MBean object name. You can connect 
to the JVM using JConsole to view the MBeans. There are also multiple libraries 
that will scrape a JVM via JMX to extract values from MBeans.

If you're not familiar with JMX or JConsole, there's plenty of great 
documentation on the Internet, have a Google :)

On Thu, 20 Feb. 2020, 11:51 pm Sunil CHAUDHARI, 
<sunilchaudh...@dbs.com.invalid> wrote:

> Hi Liam Clarke,
> Sorry but this is bit unclear for me.
> Can you please elaborate your answer? I am beginner to Kafka.
> " Producers emit metrics via JMX ":
>         - How to enable this? I have kafka-Manager. Can I make use of
> kafka-manager? How?
> “kafka.producer:type=producer-metrics,client-id=(.+),topic=(.+)record-send-rate”
> please help to explain this.
>
> Regards,
> Sunil.
>
> -----Original Message-----
> From: Liam Clarke <liam.cla...@adscale.co.nz>
> Sent: Thursday, February 20, 2020 11:16 AM
> To: users@kafka.apache.org
> Subject: [External] Re: Urgent helep please! How to measure producer
> and consumer throughput for single partition?
>
> This mail originated from an external party outside DBS - mailto:
> users-return-39554-sunilchaudhari=dbs....@kafka.apache.org. Do not
> click on links or open attachments unless you recognize the sender and
> know the content is safe.
>
> Hi Sunil,
>
> Producers emit metrics via JMX that will help you, assuming that your
> producers are using a round robin partition assignment strategy, you
> could divide this metric by your number of partitions,
>
>
> kafka.producer:type=producer-metrics,client-id=(.+),topic=(.+)record-s
> end-rate
>
> Kind regards,
>
> Liam Clarke
>
> On Thu, 20 Feb. 2020, 5:57 pm Sunil CHAUDHARI, <mailto:
> sunilchaudh...@dbs.com.invalid> wrote:
>
> > Hi
> > I was referring to the article by Mr. June Rao about partitions in
> > kafka cluster.
> > https://www.confluent.io/blog/how-choose-number-topics-partitions-ka
> > fk
> > a-cluster/
> >
> > "A rough formula for picking the number of partitions is based on
> > throughput. You measure the throughout that you can achieve on a
> > single partition for production (call it p) and consumption (call it
> > c). Let's say your target throughput is t. Then you need to have at
> > least max(t/p, t/c) partitions."
> >
> > I have the data pipeline as below.
> >
> > Filebeat-->Kafka-->Logstash-->Elasticsearch
> > There are many filebeat agents sending data to kafka. I want to
> > understand , how can I measure the events per seconds getting
> > written to Kafka? This will help me to know 'p'  in above formula.
> > I can measure the consumer throughput by monitoring logsatsh
> > pipelines on Kibana. So it will give me 'c' in above formula.
> >
> > I know target throughput in my cluster, that is 't'. 30k events/s.
> >
> > Please let me know if I am going wrong?
> >
> > Regards,
> > Sunil.
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