January 2015
Beginner
168 pages
3h 41m
English
Content preview from Apache ZooKeeper Essentials
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The ZooKeeper operations
ZooKeeper's data model and its API support the following nine basic operations:
|
Operation |
Description |
|---|---|
|
|
Creates a znode in a specified path of the ZooKeeper namespace |
|
|
Deletes a znode from a specified path of the ZooKeeper namespace |
|
|
Checks if a znode exists in the path |
|
|
Gets a list of children of a znode |
|
|
Gets the data associated with a znode |
|
|
Sets/writes data into the data field of a znode |
|
|
Gets the ACL of a znode |
|
|
Sets the ACL in a znode |
|
|
Synchronizes a client's view of a znode with ZooKeeper |
Let's look at the ZooKeeper operations mentioned in the preceding table using ZooKeeper Java shell:
- Create a znode called root with ...
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