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head/devel/zookeeper/pkg-descr
| ZooKeeper is a distributed, open-source coordination service for | ZooKeeper is a distributed, open-source coordination service for | ||||
| distributed applications. It exposes a simple set of primitives that | distributed applications. It exposes a simple set of primitives that | ||||
| distributed applications can build upon to implement higher level | distributed applications can build upon to implement higher level | ||||
| services for synchronization, configuration maintenance, and groups | services for synchronization, configuration maintenance, and groups | ||||
| and naming. It is designed to be easy to program to, and uses a data | and naming. It is designed to be easy to program to, and uses a data | ||||
| model styled after the familiar directory tree structure of file | model styled after the familiar directory tree structure of file | ||||
| systems. It runs in Java and has bindings for both Java and C. | systems. It runs in Java and has bindings for both Java and C. | ||||
| Coordination services are notoriously hard to get right. They are | Coordination services are notoriously hard to get right. They are | ||||
| especially prone to errors such as race conditions and deadlock. The | especially prone to errors such as race conditions and deadlock. The | ||||
| motivation behind ZooKeeper is to relieve distributed applications the | motivation behind ZooKeeper is to relieve distributed applications the | ||||
| responsibility of implementing coordination services from scratch. | responsibility of implementing coordination services from scratch. | ||||
| WWW: http://zookeeper.apache.org/ | WWW: https://zookeeper.apache.org/ | ||||