Hi, Request your expertise on these doubts of mine
Thanks, Prabhjot On Thu, Nov 26, 2015 at 4:43 PM, Prabhjot Bharaj <prabhbha...@gmail.com> wrote: > Hi, > > We arrange our kafka machines in groups and deploy these phases. > > For kafka, we’ll have to map groups with phases. During each phase of the > release, all the machines in that group can go down. > > When this happens, there are a couple of cases:- > > 1. All replicas are residing in a group of machines which will all go > down in this phase > - Affect on Producer – > - What happens to the produce requests (whether produce can > dynamically keep writing to the remaining partitions now) > - What happens to the already queued requests which were being > sent to the earlier replicas – they will fail (we’ll have to use > producer > callback feature to take care of retrying in case the above step > works fine) > - Affect on Consumer - > - Can the consumers consume from a lesser number of partitions? > - Does the consumer 'consume' api gives any callback/failure > when all replicas of a partition go down? > > If you have come across any of the above cases, please provide how you > solved the problem ? or whether everything works just well with Kafka > during deployments and my cases described above are all invalid or handled > by kafka and its clients internally ? > > Thanks, > Prabhjot > -- --------------------------------------------------------- "There are only 10 types of people in the world: Those who understand binary, and those who don't"