Once the topic is created, you can only increase the replication factor by: 1. delete the topic and re-create the same topic (note: data will be lost after this step) or 2. follow the doc to increase the replication factor (data will be kept)
Thank you. Luke On Thu, Jul 13, 2023 at 5:23 PM Gaurav Pande <gaupand...@gmail.com> wrote: > Hi Luke , > > Thanks does that mean that setting default.replication.factor to more than > 1 and doing Kafka broker restart wouldn't dynamically change the existing > partitions replication? We have to use cli shell script, as per > documentation? > Regards, > GP > > On Thu, 13 Jul, 2023, 13:54 Luke Chen, <show...@gmail.com> wrote: > > > Hi Gaurav, > > > > > Why do I see topic ReplicationFactor:1 during description of a topic ? > > I think you should set this config: `default.replication.factor` > > > > > And how can we increase replication factor? I have 3 Kafka brokers > > running on 2.7.0 version. > > Please check this doc: > > > > > https://kafka.apache.org/documentation/#basic_ops_increase_replication_factor > > > > Thanks. > > Luke > > > > On Thu, Jul 13, 2023 at 12:23 PM Gaurav Pande <gaupand...@gmail.com> > > wrote: > > > > > Hi all, > > > > > > I have noticed that when I describe my Kafka topic I see > > > ReplicationFactor:1 but in my server.properties file I already have > > > defined below values i.e a replication factor of 3 : > > > > > > num.partions=3 > > > offsets.topic.replication.factor=3 > > > transaction.state.log.replication.factor=3 > > > transaction.state.log.min.isr=1 > > > > > > Why do I see topic ReplicationFactor:1 during description of a topic ? > > > > > > And how can we increase replication factor? I have 3 Kafka brokers > > running > > > on 2.7.0 version. > > > > > > Regards > > > GP > > > > > >
