Martín Marqués

Director of Engineering

Martín is an Argentinian living in Spain now. He has worked as a Support Engineer and DBA for more than 25 years in both the public and private sectors, leading the support efforts at 2ndQuadrant for many years. He is now working on a leadership role in development engineering at EDB. He’s also passionate about training, knowledge gain, and open source. He likes cooking and having an occasional craft beer. He also takes a few shots of espresso a day.

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Technical Blog

Untangling the PostgreSQL upgrade

PostgreSQL 9.6 has just been released and most of the postgres users will start asking themselves how to upgrade to the new major version. This post has the intention of showing different procedures for upgrading your PostgreSQL server. Upgrading to a new major version is a task which has a high ratio of preparation over total execution time. Specifically when skipping a release in the middle, for...
Technical Blog

Those darn Large Objects

Intro PostgreSQL gives developers the chance of choosing between two possible storage facilities for large binary data: Bytea and LargeObjects. Large Objects have been around for a long time, and PostgreSQL has a smart way of storing large binary data. It does so by splitting it into chunks of LOBLKSIZE (a forth of BLCKSZ). That way the tuples from pg_largeobject don’t spill on the toast table. On...