jihoonson edited a comment on issue #6683: fix huge number of watches in zk issue URL: https://github.com/apache/incubator-druid/pull/6683#issuecomment-451009824 Hi @kaijianding, I still don't understand why you have such many watchers. In Druid, only master nodes (brokers, coordinator, overlord if you use zk-based remoteTaskRunner) watch such announcements. For example, `AbstractCuratorServerInventoryView` watches `/some/zk/path/announcements` which is used only in brokers and the coordinator. Similarly, `/some/zk/path/listeners/lookups/` is watched only by the coordinator (`LookupCoordinatorManager`). Are you seeing that other modules like tasks are also watching those zk paths?
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