There’s been some confusion over my post about eBay’s multiple petabytes of data. So to clarify, let me say:

• eBay’s figure of >1.4 petabytes of data — for its largest single analytic database — counts disks or something, not raw user data.
• I previously published a strong conjecture that the database vendor in question was Teradata, which is definitely an eBay supplier. In particular, it is definitely not an Oracle data warehouse.
• While eBay isn’t saying who it is either — not even off-the-record — the 50%ish compression figures they experience just happen to map well to Teradata’s usual range.
• Edit: Just to be clear — not that there was any doubt, but I have reconfirmed that eBay is a Teradata user, in or including eBay’s Paypal division.

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This entry was posted on Tuesday, February 26th, 2008 at 8:20 pm and is filed under Analytics and analytic technologies, Data warehouse appliances, Data warehousing, Relational database management systems, Specific users, Teradata, eBay. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.