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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "PoweredBy" by ZhengShao
Date Sun, 21 Feb 2010 07:57:13 GMT
Dear Wiki user,

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

The "PoweredBy" page has been changed by ZhengShao.
http://wiki.apache.org/hadoop/PoweredBy?action=diff&rev1=177&rev2=178

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   * [[http://www.facebook.com/|Facebook]]
    * We use Hadoop to store copies of internal log and dimension data sources and use it
as a source for reporting/analytics and machine learning.
-   * Currently have a 600 machine cluster with 4800 cores and about 7 PB raw storage.  Each
(commodity) node has 8 cores and 12 TB of storage.
+   * Currently we have 2 major clusters:
+    * A 1100-machine cluster with 8800 cores and about 12 PB raw storage.
+    * A 300-machine cluster with 2400 cores and about 3 PB raw storage.
+    * Each (commodity) node has 8 cores and 12 TB of storage.
    * We are heavy users of both streaming as well as the Java apis. We have built a higher
level data warehousing framework using these features called Hive (see the http://hadoop.apache.org/hive/).
 We have also developed a FUSE implementation over hdfs.
  
   * [[http://www.foxaudiencenetwork.com|FOX Audience Network]]

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