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The following page has been changed by StuHood: http://wiki.apache.org/hadoop/ZooKeeper/PoweredBy ------------------------------------------------------------------------------ * [http://hadoop.apache.org/hbase/ HBase] - HBase is the Hadoop database. Its an open-source, distributed, column-oriented store modeled after the Google paper, Bigtable: A Distributed Storage System for Structured Data by Chang et al. We use ZooKeeper for master election, server lease management, bootstrapping, and coordination between servers. - * [http://www.rackspace.com/email_hosting Rackspace] - The Email & Apps team uses ZooKeeper to coordinate sharding and responsible 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. + * [http://www.rackspace.com/email_hosting 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. * [http://www.yahoo.com/ Yahoo!] - ZooKeeper is used for a myriad of services inside Yahoo! for doing leader election, configuration management, sharding, locking, group membership etc.
