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Aktuelles aus dem Cybertec PostgreSQL-Blog
Be prepared for prepared transactions
Prepared transactions are disabled in PostgreSQL by default, since the parameter max_prepared_transactions has the default value 0. You don’t need prepared transactions in most cases. However, they can cause nasty problems, so I think that everybody who runs a PostgreSQL database should understand them. To illustrate these problems, I’ll show you how to use prepared […]
PostgreSQL affiliate projects for horizontal multi-terabyte scaling
Some weeks ago I wrote about some common concepts / performance hacks, how one can (relatively) easily scale to a terabyte cluster or more. And based on my experience visiting customers from various industries, 80% of them are not even reaching that threshold…but just to be clear I wanted to write another post showing that […]
Transactions in PostgreSQL: READ COMMITTED vs. REPEATABLE READ
The ability to run transactions is the core of every modern relational database system. The idea behind a transaction is to allow users to control the way data is written to PostgreSQL. However, a transaction is not only about writing – it is also important to understand the implications on reading data for whatever purpose […]