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From Sharninder <sharnin...@gmail.com>
Subject Re: Consumer limit for pub-sub mode
Date Mon, 03 Aug 2015 17:40:09 GMT
I don't know of any limits as such but I don't think your problem is suitable for Kafka. The
third point especially wouldn't work with Kafka. Using Kafka, only one consumer will get a
message out of the 30k



> On 03-Aug-2015, at 10:39 am, Vaibhav Kirte <vaibhav.kirte@sokrati.com> wrote:
> 
> Hi,
> 
> I need to know how many consumers can subscribe to a single topic ( with
> one partition ).
> 
> I have a requirement such that,
>    1. The producer will post to 1 topic having 1 partition.
>    1. *20,000-30,000 consumers *should to be able to consume messages.
>    2. All of the consumers should receive all messages that are produced.
> 
> will this be possible using kafka ?
> is there a limit on number of consumers ?
> what will be the number of machines that I will need to satisfy the
> requirements ?
> 
> -- 
> Regards,
> Vaibhav Kirte

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