Hi Fang, take a look at the docs on KIP-1 for some background info on acks policy:
https://cwiki.apache.org/confluence/display/KAFKA/KIP-1+-+Remove+support+of+request.required.acks -Dana On Wed, Jan 20, 2016 at 3:50 PM, Fang Wong <fw...@salesforce.com> wrote: > We are using kafka 0.8.2.1 and set acks to 2, see the following warning: > > sent a produce request with request.required.acks of 2, which is now > deprecated and will be removed in next release. Valid values are -1, 0 or > 1. Please consult Kafka documentation for supported and recommended > configuration. (kafka.server.KafkaApis) > > From the link below: > http://kafka.apache.org/082/documentation.html#newproducerconfigs > > Other settings such as acks=2 are also possible, and will require the given > number of acknowledgements but this is generally less useful. > > acks=2 should be allowed, not sure why it gave warning, also what does > acks=-1 mean? Is it different from acks=0? > > Thanks, > Fang >
