Apr 30
Who has the biggest database? Due to the increasing amount of behavioral information tracked during a web browsing session, some internet properties are starting to rack up some pretty hefty databases.
Ebay has a 6.5 petabyte Greenplum warehouse and a 2.5 petabyte Teradata warehouse. This system ingests hundreds of billions of new rows of data every day.
Facebook has a 2.5 petabyte Hadoop system
Yahoo has more than 1 petabyte running on their homemade system
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