can i some app use same gourpid and consumer all topic message

[dragontree101]

if a have two app, them have same topic and the same group id.
can i set some properties to let app 1 to consume all message in topic and let app 2 also to consume all message in same topic?
thanks

[garyrussell]

No; they need different group ids - see the kafka documentation.

[dragontree101]

i see the doc, i want to confirme it , thanks!