Apache ZooKeeper

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ZooKeeper - Operations
   

== Ops ==

ZooKeeper provides the following operations. We have already gone through some of these.

create Creates a znode (parent znode must exist) delete Deletes a znode (mustn’t have children) exists/ls Tests whether a znode exists & gets metadata getACL, setACL Gets/sets the ACL for a znode getChildren/ls Gets a list of the children of a znode getData/get, setData Gets/sets the data associated with a znode sync Synchronizes a client’s view of a znode with ZooKeeper

== Multiupdate == ZooKeeper provides functionality of multiupdate. It batches multiple operations together. Either all fail or succeed in entirety.Others never observe any inconsistent state. It is possible to implement transactions using multiupdate.