" If all the consumers stop listening how long will Kafka continue to store messages for that group?"
Kafka retains data for set amount of time, regardless of whether anyone is listening or not. This amount of time is configurable. Because Kafka performance is generally constant with the amount of data it stores, storing terabytes of data for months is not uncommon. Gwen On Tue, Dec 16, 2014 at 1:09 PM, Greg Lloyd <gllo...@gmail.com> wrote: > Hi, > > I am planning to use kafka for a work queue type use case with multiple > consumers. I also plan to use it with multiple consumer groups. What is not > clear to me from the documentation is how to define+manage consumer groups > or if that is possible at all. It appears to me that a consumer group is > created just by connecting with a new group-id. What is not clear to me is > how to manage this: if I no longer want a consumer group how do I remove > it? What happens when there are no consumers of a group listening? If all > the consumers stop listening how long will Kafka continue to store messages > for that group? > > Thanks for any clarification, > > Greg Lloyd
