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ZooKeeper Replacement
Paul Rogers edited this page Nov 26, 2021
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There are times when an alternative to ZooKeeper is helpful when running Druid:
- When running in a Single Process.
- To work with an alternative coordinator.
This note explores how ZK is used in Druid today, and how it might be abstracted out.
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CuratorModule: Manages the ZK client via Apache Curator. -
Announcer: "Announces things on ZooKeeper" -
AnnouncerModule: Guice module for the above.