Lagrang edited a comment on issue #863: ZOOKEEPER-3320: Leader election port stop listen when hostname unresolvable for some time URL: https://github.com/apache/zookeeper/pull/863#issuecomment-477946006 Zookeeper binds to LE port on start, if you can't bind to it, I think fail-fast is more reliable behavior than "silently" catch error. From monitoring point of view: process alive, port is bind(but by someone else). Also, not so very good:) In case of DNS issue in Kubernetes: I start a 3 ZK nodes, all containers in cluster alive, but 2 nodes stop listen LE port. Quorum not reached. But, I found another case when `QuorumCnxManager.Listener` can stop process: we can fail while accepting new connections. I agree that this case should not stop a process. But errors while connection accepting can be handled separately.
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