Latest posts
Simulating UPDATE or DELETE with LIMIT in Postgres: CTEs to The Rescue!
There have certainly been times when using PostgreSQL, that I’ve yearned for an UPDATE or DELETE statement with a LIMIT feature. While the SQL standard itself has no say in the matter as of SQL:2016, there are definite cases of existing SQL database dialects that support this.
10 min read
PGO 4.7, the Postgres Operator: PVC Resizing, GCS Backups, and More
We're excited to announce the new version of PGO, the open source Postgres Operator from Crunchy Data version 4.7! There's a lot of really cool features that make it easy to deploy production Postgres clusters on Kubernetes.
5 min read
Waiting for PostGIS 3.2: ST_InterpolateRaster
A common situation in the spatial data world is having discrete measurements of a continuous variable. Every place in the world has a temperature, but there are only a finite number of thermometers - how should we reason about places without thermometers and how should we model temperature?
4 min read
TLS for Postgres on Kubernetes: OpenSSL CVE-2021-3450 Edition
Not too long ago I wrote a blog post about how to deploy TLS for Postgres on Kubernetes in attempt to provide a helpful guide from bringing your own TLS/PKI setup to Postgres clusters on Kubernetes. In part, I also wanted a personal reference for how to do it!
7 min read
Creating a Read-Only Postgres User
Learn how to create a read only user in Postgres both now and with a look ahead to Postgres 14.
7 min read
(The Many) Spatial Indexes of PostGIS
The simple story of spatial indexes is - if you are planning to do spatial queries (which, if you are storing spatial objects, you probably are) you should create a spatial index for your table.
6 min read
Using Kubernetes? Chances Are You Need a Database
Whether you are starting a new development project, launching an application modernization effort, or engaging in digital transformation, chances are you are evaluating Kubernetes. If you selected Kubernetes, chances are you will ultimately need a database.
4 min read
Choice of Table Column Types and Order When Migrating to PostgreSQL
An underappreciated element of PostgreSQL performance can be the data types chosen and their organization in tables. For sites that are always looking for that incremental performance improvement, managing the exact layout and utilization of every byte of a row (also known as a tuple) can be worthwhile.
9 min read
Announcing Google Cloud Support for Crunchy Bridge
Crunchy Data, the leading provider of trusted open source PostgreSQL, is proud to announce the addition of Google Cloud Platform (GCP) to its list of providers supported on Crunchy Bridge.
4 min read
Your Guide to Connection Management in Postgres
Connection pooling and management is one of those things most people ignore far too long when it comes to their database. As you grow into the hundreds, better connection management is a quick and easy win. Let's dig into the three variations of connection pooling and how to identify if you can benefit from a connection pooler and where.
5 min read
Postgres is Out of Disk and How to Recover: The Dos and Don'ts
The ultimate goal for any unplanned database interruption is to reduce data loss. So the advice here is aimed at someone in a production situation prioritizing minimizing data loss.
12 min read
Introducing pgBackRest Multiple Repository Support
The pgBackRest team is pleased to announce the introduction of multiple repository support in v2.33. Backups already provide redundancy by creating an offline copy of your PostgreSQL cluster that can be used in disaster recovery.
5 min read
Announcing Google Cloud Storage (GCS) Support for pgBackRest
Today we're announcing Crunchy Bridge support for Managed Postgres on Google Cloud. With Crunchy Bridge you can now have the same great PostgreSQL experience on any cloud and seamlessly migrate between cloud vendors as you see fit.
2 min read
Database Terminology Explained: Postgres High Availability and Disaster Recovery
What follows is a summary of conversations I've had with customers on how to think about key tenants of database management, high availability and disaster recovery.
Is Postgres Secure?
This post provides a framework for thinking through how you can confront "security questions" as you embark on your Postgres journey.
6 min read
Performance Improvements in GEOS
We at Crunchy Data put as much development effort into improving GEOS as we do improving PostGIS proper, because the GEOS library is so central to much geospatial processing.
6 min read
Explaining Your Postgres Query Performance
The EXPLAIN command helps you look even closer into an individual query. If you're already proficient in EXPLAIN, great! Read on for an easy refresher. If you're less familiar with it, this will be a (hopefully) gentle introduction on what insights it might help provide.
12 min read
Musings of a PostgreSQL Data Pontiff Episode 2 - Hot Magick; Analytics and Graphical Output with PL/R
Welcome to Episode 2 of the "Musings of a PostgreSQL Data Pontiff" series! In this installment I’m aiming to achieve three objectives.
20 min read
Musings of a PostgreSQL Data Pontiff Episode 1
This is the first in a series of blogs on the topic of using PostgreSQL for "data science". I put that in quotes because I would not consider myself to be a practicing "data scientist", per se. Of course I'm not sure there is a universally accepted definition of "data scientist". This article provides a nice illustration of my point.
6 min read
Announcing the Crunchy Postgres Operator 4.6.0 with rolling updates, pod tolerations, node affinity and more
With this release, we included features to streamline management of the Operator, added security features, and extra system metrics to enhance your high availability Kubernetes Postgres cluster. Let's take a look at what's new in the Postgres Operator 4.6!
6 min read
