Introducing Apache ZooKeeper
Apache ZooKeeper is a software project of the Apache Software Foundation; it provides an open source solution to the various coordination problems in large distributed systems. ZooKeeper was originally developed at Yahoo!
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A paper on ZooKeeper, ZooKeeper: Wait-free Coordination for Internet-scale Systems by Patrick Hunt and Mahadev Konar from Yahoo! Grid and Flavio P. Junqueira and Benjamin Reed from Yahoo! Research, was published in USENIX ATC 2010. You can access the full paper at http://bit.ly/XWSYiz.
ZooKeeper, as a centralized coordination service, is distributed and highly reliable, running on a cluster of servers called a ZooKeeper ensemble. Distributed consensus, group management, presence protocols, and leader ...
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