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.ki...@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
