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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "ZooKeeper/PoweredBy" by AsankhaPerera
Date Fri, 06 May 2011 16:08:03 GMT
Dear Wiki user,

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

The "ZooKeeper/PoweredBy" page has been changed by AsankhaPerera.
http://wiki.apache.org/hadoop/ZooKeeper/PoweredBy?action=diff&rev1=17&rev2=18

--------------------------------------------------

  Applications and organizations using ZooKeeper include (alphabetically):
- 
  
   * company w/ link if available
    * use
+  * [[http://adroitlogic.org|AdroitLogic]]
+   * Uses ZooKeeper to implement Clustering support for its [[http://adroitlogic.org|Open
Source Enterprise Service Bus (ESB), the UltraESB]]. This allows the management of the complete
cluster, or any specific node - from any other node connected via JMX. A Cluster wide command
framework allows commands that fail on some nodes to be retried etc. We also support the automated
round-robin-restart of a complete cluster of nodes using ZooKeeper support [[http://bit.ly/iNjytz|See
link]]
  
-  * [[http://www.deepdyve.com]] - We do search for research and provide access to high quality
content using advanced search technologies
+  * http://www.deepdyve.com - 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.
+   . Zookeeper is used to manage server state, control index deployment and a myriad other
tasks.
  
-  * [[http://www.eclipse.org/ecf|Eclipse Communication Framework]] - The Eclipse ECF project
provides an implementation of its Abstract Discovery services using Zookeeper. ECF itself
is used in many projects providing base functionallity for communication, all based on OSGi.

+  * [[http://www.eclipse.org/ecf|Eclipse Communication Framework]] - The Eclipse ECF project
provides an implementation of its Abstract Discovery services using Zookeeper. ECF itself
is used in many projects providing base functionallity for communication, all based on OSGi.
  
   * [[http://katta.sourceforge.net|katta]] - Katta serves distributed Lucene indexes in a
grid environment.
-    Zookeeper is used for node, master and index management in the grid. 
+   . Zookeeper is used for node, master and index management in the grid.
  
   * [[http://101tec.com|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.  
+   . We use zookeeper to manage a system build out of hadoop, katta, oracle batch jobs and
a web component.
  
   * [[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.
+   . We use ZooKeeper for master election, server lease management, bootstrapping, and coordination
between servers.
  
   * [[http://neo4j.org/hbase/|Neo4j]] - Neo4j is a Graph Database. It's a disk based, ACID
compliant transactional storage engine for big graphs and fast graph traversals, using external
indicies like Lucene/Solr for global searches.
-    We use ZooKeeper in the Neo4j High Availability components for write-master election,
read slave coordination and other cool stuff. ZooKeeper is a great and focused  project -
we like!
+   . We use ZooKeeper in the Neo4j High Availability components for write-master election,
read slave coordination and other cool stuff. ZooKeeper is a great and focused  project -
we like!
  
   * [[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.
  

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