Comments on: Yahoo scales its web analytics database to petabyte range

By: Yahoo is up to 10 petabytes now? | DBMS2 -- DataBase Management System Services

Mon, 06 Jul 2009 06:03:57 +0000

[...] to somebody (I forget who) who attended Yahoo’s SIGMOD presentation last week, the big Yahoo database is now up to 10 petabytes in size, in line with Yahoo’s predictions last year. Apparently, [...]

By: Analytics Team » Blog Archive » Web analytics databases keep getting bigger

Fri, 01 May 2009 02:23:04 +0000

[...] 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 [...]

By: eBay’s two enormous data warehouses | DBMS2 -- DataBase Management System Services

Thu, 30 Apr 2009 10:25:09 +0000

[...] web/network events database, running on proprietary software, sounded about 1/6th the size of eBay’s Greenplum system when it was described about a year [...]

By: Some of Oracle’s largest data warehouses | DBMS2 -- DataBase Management System Services

Thu, 25 Sep 2008 00:22:00 +0000

[...] one of Greenplum’s flagship accounts. And despite its ongoing Oracle relationship Yahoo has a much bigger data warehouse based on Postgres [...]

By: Infobright’s open source move has a lot of potential | DBMS2 -- DataBase Management System Services

Mon, 15 Sep 2008 12:05:00 +0000

[...] data. Those outfits have already been buying massive data warehouse appliances – or doing things even more dramatic — and don’t need Infobright. But for anybody else in the MySQL world who needs [...]

By: Yahoo reaches 1-Petabyte… « Wisps in the Ethereal

Yahoo reaches 1-Petabyte… « Wisps in the Ethereal — Mon, 25 Aug 2008 18:14:59 +0000

[...] You can read more on the Yahoo side of things HERE. [...]

By: david bandel

david bandel — Mon, 25 Aug 2008 16:02:31 +0000

because Oracle won’t support their custom DB structure.

By: Response to Rita Sallam of Oracle | DBMS2 -- DataBase Management System Services

Sat, 28 Jun 2008 08:35:26 +0000

[...] by the way — the largest Oracle warehouse by far on that list is at Yahoo. But Oracle isn’t Yahoo’s major data warehouse software provider. If a shared disk architecture is not scalable, then how is it that Oracle is the leader in Data [...]

By: Daniel Weinreb

Daniel Weinreb — Sat, 31 May 2008 10:55:07 +0000

The claim that they got great performance advantages by optimizing for a specific application sounds very plausible to me. If you look at the published literature from companies like Amazon and Google about their high-performance, high-availability systems, these papers explain all kinds of interesting techniques that buy lots of performance by providing semantics that are unconventional, but carefully optimized for the particular needs and tradeoffs of their applications.

By: Curt Monash

Curt Monash — Fri, 30 May 2008 21:08:14 +0000

Eric Lai of Computerworld has an article too: http://www.infoworld.com/news/feeds/08/05/22/Yahoo-claims-2-petabyte-database-is-worlds-biggest–busiest.html

Again, he says PostgreSQL, not MySQL. The fact that it’s an acquisition may help explain why it’s not MySQL.

The name was Mahat, with I gather is a philosophically-inspiring word in Sanskrit or something.

CAM