Hi Bhavesh, What is the number of partitions on the source and target clusters, and what version of Kafka MM are you using?
Guozhang On Mon, Aug 11, 2014 at 1:21 PM, Bhavesh Mistry <mistry.p.bhav...@gmail.com> wrote: > HI Kafka Dev Team, > > > > We have to aggregate events (count) per DC and across DCs for one of topic. > We have standard Linked-in data pipe line producers --> Local Brokers --> > MM --> Center Brokers. > > > > So I would like to know How MM handles messages when custom partitioning > logic is used as below and number of partition in target DC is SAME vs > different > than the source DC ? > > > > If we have key based messages and custom partitioning logic ( hash(key) % > number of partition per topic source topic) we want to count event > similar > event by hashing to same partition and count events, and but when same > event is MM to target DC will it go to same partition even though number of > partition is different in target DC (meaning does MM will use hash(key > message) % number of partition) ? > > > > According to this reference, I do not have way to configure this or to > control which partitioning logic to use when MM data ? > > https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=27846330 > > > Thanks, > > > > Bhavesh > -- -- Guozhang