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Recently, I have had a chance to work on a very large data table. By very large, I mean, 1.5 billion rows up to this point, and it growing…

In the vast universe of open-source, object-relational databases, PostgreSQL stands out as a reliable and efficient cornerstone 🌍…

We have met AWS users spending hundreds of thousands per month on database services, some of which are spending up to 40% of their monthly AWS bill on databases. And a large portion of this database...

From the rise of vector databases to SQL:2023 to MariaDB troubles and the FAA outage, 2023 was an exciting year in database history.

Software Engineer

OtterTune uses AI to automate database tuning and solves configuration problems to optimize PostgreSQL & MySQL performance and lowers costs.

A performance dashboard for Postgres. Contribute to ankane/pghero development by creating an account on GitHub.

Andy Pavlo (OtterTune's CEO) and Jason Lauritzen (OtterTune's Head of Marketing) go over Andy's "Databases in 2023: A Year in Review" blog. Andy covers all t...

An index is a type of data structure in databases which aims to improve speed and performance of queries.

I somehow talked database genius and actual professor Andy Pavlo to talk to me about databases, OtterTune, the future, and who has the best query optimizer.I...

This guide covers everything from basics to advanced strategies, equipping both experts and newcomers with essential tools for …

I would like to start the blog with an interesting fact: the language PL/pgSQL, which is used to build procedural code logic in PostgreSQL, is also an extension that is installed by default when yo…

Query performance often varies depending on how you write queries. For PostgreSQL, what provides better performance? The IN or OR operator?

# **Pessimistic locking in PostgreSQL** Pessimistic locking is an approach, where we pre-acquire the locks on all the records, which we are…

A database index is a data structure that improves the speed of data retrieval operations on a database table. The following command can be…

Another year has gone by, and I’m still alive. As such, it is an excellent time to reflect on what happened in the world of databases last year.

As much as we love PostgreSQL at OtterTune, its multi-version concurrency control (MVCC) is a big pain. We go over why.

You’ve decided to use PostgreSQL, one of the most powerful and flexible database management systems available. However, to make the most of…

If you’re considering building a new database system from scratch, you might be better off:

While indexes in PostgreSQL can significantly improve query performance, especially for read-heavy operations, they are not universally…

An introduction to working with the cursor in PostgreSQL and MS SQL Server

Postgres HowTo articles

Join Ryan Booz, PostgreSQL Advocate at Redgate, and Grant Fritchey, Microsoft Data Platform MVP, and discover:How to navigate PostgreSQL documentationThe ess...

Postgres is moving on up! But why? In this blog post, we pull together some of the most important reasons.

Autonomous database operation and tuning, driven by machine learning (ML), is becoming more prevalent. In this VLDB talk, I presented learnings that help DBMS users better understand how to benefit...

You've got a slow-running PostgreSQL query, so you run ANALYZE, but what if ANALYZE can't fix it?

Query performance often varies depending on how you write queries. For PostgreSQL, what provides better performance? The IN or OR operator?

The 5 hardest things Josh Berry, a 15 year analytics professional, experienced while switching from Python to SQL. Offering examples, SQL code, and a resource to customize the SQL to your own project.

Throughput is generally not a good target objective for applications that have daily workload patterns because it varies with the time of day. It’s dependent on the application wheras query latency...

No kidding — A first attempt of a rationalization

Throughput is generally not a good target objective for applications that have daily workload patterns because it varies with the time of day. It’s dependent on the application wheras query latency...

Having access to the psql command-line tool is essential for any developers or DBAs that are actively working with and connecting to PostgreSQL databases.

We’re happy to announce the first commercial release of OtterTune software-as-a-service (SaaS) and seed funding From Accel. Our mission is to make databases run better, with less effort, and at a...

Balancing Scalability and Consistency: Navigating Database Selection for Modern Applications

A look ahead at some ongoing projects in PostgreSQL in 2024 and beyond

OtterTune optimizes each of 100+ PostgreSQL configuration settings to support the database’s specific workload. This list goes over all the knobs OtterTune tunes.

by Derk van Veen & Dave Pitts, DBAs, Adyen

Partitions let us split the logically one large table into smaller physical ones. This can improve the query’s performance by accessing…

We check execution plans and benchmark results to see if using a LIMIT clause is useful when checking for existence of N values in SQL

Time to discover the world of Window Functions with examples; lead( ), lag( ), first_value( ), last_value( ), row_number( ), rank( )…

While we dislike PostgreSQL's multi-version concurrency control (MVCC), there are ways to address version copying, table bloat, index maintenance and vacuum management.

On 1/11/23, all flights in the US were grounded because of a FAA NOTAM system outage tied to a corrupt database file. Here's why that wouldn't happen if the FAA was using Amazon RDS.

How we upgraded from Postgres 11.9 to 15.3 with zero downtime

Listen to this episode from Big Ideas in App Architecture on Spotify. This week, we’re with one of those masters of database building, Andy Pavlo, an Associate Professor with indefinite tenure of...

Learn how we discovered what was slowing down large database queries, and what we did to make Postgres queries 1000x faster.

These slides are from Claire Giordano's talk at Nordic PGDay 2024 about Partitioning and Sharding in Postgres. Partitioning has come a long way in Postgres since the Postgres 10 days, as has sharding...

Our primary focus since the first release of OtterTune has been to make it easier to get started with OtterTune and put it to work auto-tuning your databases. Here’s what’s new in this latest update.

Slow queries can have a significant impact on the performance of your PostgreSQL database. By identifying and optimizing slow queries, you…

Background

Our nine month journey to horizontally shard Figma’s Postgres stack, and the key to unlocking (nearly) infinite scalability.

In database management, ensuring optimal performance is critical. If you are working with PostgreSQL, you must have heard of concepts such…

We explore the fundamental role memory plays within the architecture of PostgreSQL databases, shedding light on the intricacies of…

Getting Started WIth SQL CTEs, Views, and Stored Procedures

Welcome to the second blog of the “magic of parameters” series. In the first entry, I covered memory parameters, and in this article. In this article will

Schedule and Sessions for Citus Con: An Event for Postgres, a virtual and free developer event happening Apr 12-13, 2022. There will be 3 separate livestreams—in Americas, APAC, and EMEA—plus...

Introduction For those who have worked with Oracle, the pg_hint_plan extension is one that will allow you to hint plans in patterns that you are likely very familiar with: sql_patch sql_profile sql…

In the fast-paced digital landscape of today, where data drives critical business decisions, the performance and reliability of databases…

The default configuration in most databases is meant for broad compatibility rather than performance. Database tuning is a process in which the configurations of a database are modified to achieve...