PGCon 2013

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The Billion Tables Project

Aka how long a "\dt" takes on a 1B tables database

Usually “large” databases are considered as such for the high number of records they hold, reaching billions or even more than that. But what about creating a billion... tables?

Sometime ago, this apparently crazy question was found in a database soup ( It may not be your day-to-day task, but the task of creating them exposes some topics about PostgreSQL internals, performance and large databases that may be really worth for your day-to-day.

Join us for this talk, where we'll be discussing topics such as catalogue structure and storage requirements, table speed creation, differences between PostgreSQL versions and durability vs. table creation speed tradeoffs, among others. And, of course, how long a “\dt” takes on a 1B tables database :)

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