RE: Few partitions stuck in under replication

2022-03-05 Thread Mailbox - Dhirendra Kumar Singh
Let me rephrase my issue. Issue occur when broker loose connectivity to zookeeper server. Connectivity loss can happen due to many reasons…zookeeper servers getting bounced, due to some network glitch etc… After the brokers reconnect to zookeeper server I expect the kafka cluster to come back i

Re: How to achieve high availability in a Kafka Streams app during deployment?

2022-03-05 Thread Matthias J. Sax
Hard to answer from a 10,000ft view. In general, a rolling upgrade (ie, bounce one instance at a time) is recommended. If you have state, you would need to ensure that state is not lost during a bounce. As you are using Kubernetes, using stateful sets that allow you to re-attach disk should be

Re: How to achieve high availability in a Kafka Streams app during deployment?

2022-03-05 Thread Matthias J. Sax
Hard to answer from a 10,000ft view. In general, a rolling upgrade (ie, bounce one instance at a time) is recommended. If you have state, you would need to ensure that state is not lost during a bounce. As you are using Kubernetes, using stateful sets that allow you to re-attach disk should be