The EDB Blog

The latest thought leadership pieces from EDB, including company and PostgreSQL announcements

Robert Haas

Amazon's DocumentDB, MongoDB, and TechCrunch

Robert Haas Jan 17, 2019

Over on TechCrunch, you can find an article posted just yesterday with the inflammatory title AWS gives open source the middle finger. The premise of...

Parallelism and Partitioning - Improvements in Postgres 11

Robert Haas Oct 2, 2018

There have been a number of articles on the upcoming improvements in Postgres v11, including one by EnterpriseDB’s own Bruce Momjian. A couple of the...

Are you using force_parallel_mode correctly?

Using force_parallel_mode Correctly

Robert Haas Jul 30, 2018

I admit it: I invented force_parallel_mode. I believed then, and still believe now, that it is valuable for testing purposes. Certainly, testing using...

Built-in Sharding for PostgreSQL

Robert Haas May 22, 2018

Built-in sharding is something that many people have wanted to see in PostgreSQL for a long time. It would be a gross exaggeration to say that...

DO or UNDO - There is no PostgreSQL VACUUM

Robert Haas Jan 30, 2018

What if PostgreSQL didn’t need VACUUM at all? This seems hard to imagine. After all, PostgreSQL uses multi-version concurrency control (MVCC), and if...

The State of VACUUM

Robert Haas Jan 9, 2018

In a recent blog post, I talked about why every system that implements MVCC needs some scheme for removing old row versions, and how VACUUM meets that...


Robert Haas Dec 19, 2017

Experienced PostgreSQL users and developers rattle off the terms “MVCC” and “VACUUM” as if everyone should know what they are and how they work, but...

PostgreSQL's Hash Indexes Are Now Cool

Robert Haas Sep 26, 2017

.inline-cta { margin: 11px 0; } .inline-cta.cta-tall { margin: 30px 0; } .inline-cta b { font-size: 18px; } Since I just committed the last pending...

Qui contribue au développement de PostgreSQL ?

Robert Haas Apr 27, 2017

In a talk which I gave at PGCONF.IN and, in a shorter version, at PGCONF.US, I had a few slides on who contributes to PostgreSQL development. Here, I...

Nouvelles fonctionnalités à venir dans PostgreSQL 10

Robert Haas Apr 10, 2017

The list of new features coming in PostgreSQL 10 is extremely impressive. I've been involved in the PostgreSQL project since the 8.4 release cycle...