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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "ZooKeeper/PoweredBy" by mahadevkonar
Date Tue, 09 Jun 2009 16:55:45 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The following page has been changed by mahadevkonar:

   * [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.yahoo.com/ 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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