This is probably because Kafka uses quite heavily the disk cache maintained by the operating system instead of storing messages in the JVM memory. So the requirements for the heap memory can be fairly small. The design section of the documentation describes the details: http://kafka.apache.org/documentation/#design
Jakub On Wed, Nov 8, 2017 at 9:30 AM, chidigam . <bhanu.ki...@gmail.com> wrote: > Hi All, > I have basic question on Kafka JVM configuration, in most of forums I have > seen max heap as 8GB. Why it is not recommended beyond that. Is there any > design limitation ? > Any help in this regards is highly appreciated. > > Regards > Bhanu >
