Re: Need help to find references to antipatterns/pitfalls/incorrect ways to use Kafka

Doesn't every one of the 20,000 POS terminals want to get the same price list messages? If so then there is no need for 20,000 partitions.

-hans

> On Mar 31, 2019, at 7:24 PM, <akuterin@gmail.com> <akuterin@gmail.com> wrote:
>
> Hello!
>
>
>
> I ask for your help in connection with the my recent task:
>
> - Price lists are delivered to 20,000 points of sale with a frequency of <10
> price lists per day.
>
> - The order in which the price lists follow is important. It is also
> important that the price lists are delivered to the point of sale online.
>
> - At each point of sale, an agent application is deployed, which processes
> the received price lists.
>
>
>
> This task is not particularly difficult. Help in solving the task is not
> required.
>
>
>
> The difficulty is that Kafka in our company is a new "silver bullet", and
> the project manager requires me to implement the following technical
> decision:
>
> deploy 20,000 Kafka consumer instances (one instance for each point of sale)
> for one topic partitioned into 20,000 partitions - one partition per
> consumer.
>
> Technical problems obtained in experiments with this technical decision do
> not convince him.
>
>
>
> Please give me references to the books/documents/blogposts. which clearly
> shows that Kafka not intended for this way to use (references to other
> anti-patterns/pitfalls will be useful).
>
> My own attempts to find such references were unsuccessful.
>
>
>
> Thank you!
>
>
>