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- 101tec - we do consulting in the area of enterprise distributed systems.
We use zookeeper to manage a system build out of hadoop, katta, oracle batch jobs and a web component. - Benipal Technologies - ZooKeeper is used for internal application development with Solr and Hadoop with Hbase.
- Deepdyve - We do search for research and provide access to high quality content using advanced search technologies Zookeeper is used to manage server state, control index deployment and a myriad other tasks.
- Idium Portal - Idium Portal is a hosted web-publishing system delivered by Norwegian company, Idium AS.
ZooKeeper is used for cluster messaging, service bootstrapping, and service coordination. - Makara
- Using ZooKeeper on 2-node cluster on VMware workstation, Amazon EC2, Zen
- Using zkpython
- Looking into expanding into 100 node cluster
- Midokura - We do virtualized networking for the cloud computing era. We use ZooKeeper for various aspects of our distributed control plane.
- Rackspace - The Email & Apps team uses ZooKeeper to coordinate sharding and responsibility changes in a distributed e-mail client that pulls and indexes data for search. ZooKeeper also provides distributed locking for connections to prevent a cluster from overwhelming servers.
- Wealthfront
- Wealthfront uses ZooKeeper for service discovery, leader election and distributed locking among its many backend services. ZK is an essential part of Wealthfront's continuous deployment infrastructure.
- Yahoo! - ZooKeeper is used for a myriad of services inside Yahoo! for doing leader election, configuration management, sharding, locking, group membership etc.
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