Just added an entry in the FAQ page:
https://cwiki.apache.org/confluence/display/KAFKA/FAQ#FAQ-Whycan%27tIspecifythenumberofstreamsparallelismpertopicmapusingwildcardstreamasIusestaticstreamhandler
?
On Mon, Nov 10, 2014 at 7:56 AM, Guozhang Wang wrote:
> Hi Alan,
>
> The reason we do not have
Hi Alan,
The reason we do not have per-topic parallelism spec in wildcard is two
folds: 1) we use a per-topic hash-based partition algorithm, and hence
having each topic with the same num. of streams may give us better load
balance, 2) with the topicFilter we will not know exactly which topics to
