Yahoo

Discussion of Yahoo’s use of database and analytic technology. Related subjects include:

September 24, 2008

Some of Oracle’s largest data warehouses

Googling around, I came across an Oracle presentation – given some time this year – that lists some of Oracle’s largest data warehouses. 10 databases total are listed with >16 TB, which is fairly consistent with Larry Ellison’s confession during the Exadata announcement that Oracle has trouble over 10 TB (which is something I’ve gotten a lot of flack from a few Oracle partisans for pointing out … :D ).

However, what’s being measured is probably not the same in all cases. For example, I think the Amazon 70 TB figure is obviously for spinning disk (elsewhere in the presentation it’s stated that Amazon has 71 TB of disk). But the 16 TB British Telecom figure probably is user data — indeed, it’s the same figure Computergram cited for BT user data way back in 2001.

The list is:

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May 29, 2008

Yahoo scales its web analytics database to petabyte range

Information Week has an article with details on what sounds like Yahoo’s core web analytics database. Highlights include:

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