Re: Unable to create new topics, "no brokers available"

2016-12-28 Thread Stevo Slavić
Hello Alex, ZooKeeper nodes that Kafka brokers create in /brokers/ids path, upon registering themselves that they are available, are ephemeral, so not persistent. Ephemeral ZooKeeper nodes live as long as ZooKeeper session that created them is active. The /broker/ids child nodes are gone by

Re: Unable to create new topics, "no brokers available"

2016-12-28 Thread Alex Eftimie
Quick update: digging into Zookeeper data, we observed that the /brokers/ids path was empty. Restarting the kafka nodes repopulated zookeeper data, and now the error is gone (we are able to create new topics). We didn’t alter data in Zookeeper manually, but recently we added 2 nodes to a 3

Unable to create new topics, "no brokers available"

2016-12-28 Thread Alex Eftimie
Hello, We recently migrated from Kafka 0.8 to 0.10, while keeping the log format and internal communication at 0.9 version[1]. We have a cluster of two nodes which is working correctly for 10 topics (producers/consumers work fine). Trying to create a new topic raises: kafka-topics.sh