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What are Watches in ZooKeeper?

Question Posted / manohar pal


What are Watches in ZooKeeper?..

Answer / Nitin Gupta

Watches in Apache ZooKeeper are a mechanism that allows clients to be notified when changes occur in the ZooKeeper hierarchy. A client can register a watch on a node or on a path, and ZooKeeper will notify the client when the watched node is created, deleted, or has data changes.

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