Dear James, Thank you for the information indeed!
That's very helpful for me to understand much more deeply about kafka. Best regards Kim 2016-03-03 3:29 GMT+09:00 James Cheng <jch...@tivo.com>: > Kim, > > Here's a good blog post from Confluent with advice on how to choose the > number of partitions. > > > http://www.confluent.io/blog/how-to-choose-the-number-of-topicspartitions-in-a-kafka-cluster/ > > -James > > > > On Mar 1, 2016, at 4:11 PM, BYEONG-GI KIM <bg...@bluedigm.com> wrote: > > > > Hello. > > > > I have questions about how many partitions are optimal while using kafka. > > As far as I know, even if there are multiple consumers that belong to a > > consumer group, say *group_A*, only one consumer can receive a kafka > > message produced by a producer if there is a partition. So, as a result, > > multiple partitions are required in order to distribute the message to > all > > the consumers in group_A if I want the consumers to get the message. > > > > Is it right? > > > > I'm considering developing several kafka consumer applications, e.g., > > message saver, message analyzer, etc., so a message from a producer must > be > > consumed by those kinds of consumers. > > > > Any advice and help would be really appreciated. > > > > Thanks in advance! > > > > Best regards > > > > Kim > > > ________________________________ > > This email and any attachments may contain confidential and privileged > material for the sole use of the intended recipient. Any review, copying, > or distribution of this email (or any attachments) by others is prohibited. > If you are not the intended recipient, please contact the sender > immediately and permanently delete this email and any attachments. No > employee or agent of TiVo Inc. is authorized to conclude any binding > agreement on behalf of TiVo Inc. by email. Binding agreements with TiVo > Inc. may only be made by a signed written agreement. >
