Not sure, if this should be supported. For example. if we have 2 kafka clusters C1 and C2 mirroring data to C3-Aggregate using mirror-maker M1 and M2 respectively and if the topic exist in both C1 and C2 and if we delete topic from C1, M1 should not delete the topic from C3-Aggregate.
Thanks, Mayuresh On Tue, Jan 5, 2016 at 6:28 AM, Stevo Slavić <ssla...@gmail.com> wrote: > Yes, there are quite a few related tickets in JIRA (see here > < > https://issues.apache.org/jira/browse/KAFKA-658?jql=project%20%3D%20KAFKA%20AND%20status%20in%20%28Open%2C%20%22In%20Progress%22%2C%20Reopened%2C%20%22Patch%20Available%22%29%20AND%20text%20~%20%22mirror%22 > > > ) > > On Tue, Jan 5, 2016 at 3:22 PM, Simon Cooper < > simon.coo...@featurespace.co.uk> wrote: > > > Hmm, could this feature be added in the future? > > > > Although a better solution might be to turn mirrormaker into something > > like 'hidden replicas', where a certain set of brokers in a cross-site > > super-cluster replicate topics onto the secondary site but don't take > part > > in topic leadership - is this on the cards at all? > > > > Thanks, > > SimonC > > > > -----Original Message----- > > From: Stevo Slavić [mailto:ssla...@gmail.com] > > Sent: 05 January 2016 14:04 > > To: users@kafka.apache.org > > Subject: Re: Does MirrorMaker delete topics? > > > > AFAIK "if the right options are set" actually means "if > > auto.create.topics.enable is left to default, set to true". As on any > Kafka > > cluster with this configuration option, this will allow implicit topic > > creation, e.g. on first message being published to the topic, if topic > does > > not exist it will get created. There are no other guarantees when it > comes > > to syncing topic metadata - topic metadata can be completely different > e.g. > > different number of partitions, different replica assignment including > > preferred lead, and also topic can get deleted on source and will not be > > deleted on mirror cluster. MirrorMaker only syncs data, not metadata. > > > > Kind regards, > > Stevo Slavic. > > > > On Tue, Jan 5, 2016 at 2:53 PM, Simon Cooper < > > simon.coo...@featurespace.co.uk> wrote: > > > > > Hi all, > > > > > > In the kafka docs, it mentions that MirrorMaker will automatically > > > create topics on the mirror cluster if the right options are set. Does > > > it automatically delete topics on the mirror that are deleted on the > > > main cluster as well? > > > > > > Thanks, > > > SimonC > > > > > > -- -Regards, Mayuresh R. Gharat (862) 250-7125
