Hey Chris, Thanks a lot for your reply. I've tried with "connect.protocol", but it didn't make any difference. I've thus logged https://issues.apache.org/jira/browse/KAFKA-12801 and will also try to attach a profiling log as requested by Lucas.
Best, --Gunnar Am Mo., 17. Mai 2021 um 14:32 Uhr schrieb Chris Egerton <chr...@confluent.io.invalid>: > Hi Gunnar, > > As far as the Connect behavior goes, sounds like > https://issues.apache.org/jira/browse/KAFKA-12252. To verify, you can > either set the 'connect.protocol' property of your Connect cluster to > 'compatible' (easy mode) or cherry-pick the recently-merged fix for it ( > https://github.com/apache/kafka/pull/10014) onto the version of Connect > you're running, rebuild, and try again. Either step should prevent the > symptoms you describe, and if not, a new Jira ticket is likely warranted. > > Cheers, > > Chris > > On Mon, May 17, 2021 at 1:50 AM Gunnar Morling > <gunnar.morl...@googlemail.com.invalid> wrote: > > > Hi, > > > > I was testing the early access preview of the new ZooKeeper-less mode and > > noticed two things I wanted to bring up here. My testing scenario was a > > cluster of three Kafka nodes in combined mode and a single Kafka Connect > > node, all running via Docker Compose. > > > > * I stopped two of the Kafka nodes; the remaining node then was marked as > > "leader" as per its metrics and in the new metadata shell; is this > > expected? As one out of three nodes doesn't have a quorum, I'd rather > have > > expected to see that there isn't a leader in this situation. Indeed > trying > > to create a topic in this situation times out, so I reckon that the > > remaining node doesn't actually act as the quorum leader. > > * After restarting the two nodes, in most cases they, as well as the > > Connect node, each would use up 100% CPU, like threads stuck in a > spinning > > loop. Is this issue already known, or should I log one in Jira? > > > > Thanks a lot for your help (and this great feature in general, really > > exciting to see this), > > > > --Gunnar > > >
