Issue: *...Version 3.5 is not a valid version`* while trying to upgrade from Confluent Kafka v5.5.1 to v7.5.1

2023-10-27 Thread CHULKIN, Oleksandr
Hello. I faced an issue during the Kafka upgrade that I can’t fix so far. I have the Confluentinc Kafka single test broker deployed onto OCP4. My goal is to upgrade from the ConfluentInc cp-enterprise-kafka v5.5.1(Kavka v2.3.0-IV1) to cp-kafka v7.5.1(Kafka v3.5.0). Upgrading in accordance to ht

Migrating kraft controller to another machine

2023-10-27 Thread Krzysztof Piecuch
Hi, I've recently deployed a kraft cluster and by accident I set the process.roles to 'controller,broker'. This works, but the controller bounces back and forth around the cluster because of random IO slowdowns. To fix that I wanted to split the controller away from the broker and it looks like t

KRaft high watermark repeatedly off-by-one only on broker 2

2023-10-27 Thread Jeremy Richards
I have been seeing an issue in my KRaft-based, 5-broker, Kafka 3.4.0 clusters, where broker 2 will report something like the following (see logs below): *"The latest computed high watermark 16691349 is smaller than the current value 16691350, which suggests that one of the voters has lost committe

Example configuration for kraft controllers with SASL_PLAINTEXT

2023-10-27 Thread Jesus Cea
Hi, there. I have a working 3-node kafka kraft mode network. Everything works fine with no authentication. I am using new Kafka 3.6. The node_id for the kraft controllers are "1000", "1001" and "1002". There is a regular kafka broker with node_id "1". I am trying to move that controller conf

Re: Java 1.8 and TLSv1.3

2023-10-27 Thread Ismael Juma
Hi Andreas, The TLS code has run into changes in behavior across different Java versions, so we only wanted to allow TLS 1.3 in the versions we tested against. TLS 1.3 landed in Java 8 a while after we made the relevant changes for Java 11 and newer. That said, Java 8 support is deprecated and wil