February 26, 2008
The biggest eBay database
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.
Categories: Analytic technologies, Data warehouse appliances, Data warehousing, eBay, Specific users, Teradata
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[…] posted a couple times about eBay’s analytics side. As a companion, Don Burleson pointed me at a fascinating November, 2006 slide presentation […]