Yangxuhao123 commented on code in PR #7558:
URL: https://github.com/apache/kyuubi/pull/7558#discussion_r3708984098
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kyuubi-ha/src/main/scala/org/apache/kyuubi/ha/client/zookeeper/ZookeeperDiscoveryClient.scala:
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@@ -416,6 +549,14 @@ class ZookeeperDiscoveryClient(conf: KyuubiConf) extends
DiscoveryClient {
" ZooKeeper. The server will be shut down after the last client
session completes.")
ZookeeperDiscoveryClient.this.deregisterService()
serviceDiscovery.stopGracefully()
+ } else if (event.getType == Watcher.Event.EventType.NodeCreated) {
Review Comment:
We collaborated with the QA team and conducted a test. The conclusion was in
line with expectations. When triggering watch re-registration again, no new
engine instance would start.
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