”In a production Kafka cluster, an offline partition
”In a production Kafka cluster, an offline partition

may be impacting the producer clients, losing messages or causing back-pressure in the application.
This is most often a “site down” type of problem and will need to be addressed immediately.”

Excerpt from: Neha Narkhede, Gwen Shapira, and Todd Palino. ”Kafka: The Definitive Guide”.

We now export kafka_controller_kafkacontroller_value{name="OfflinePartitionsCount",} and friends.
See #140 for why.

Yolean/kubernetes-kafka