Newsroom

Distributed PostgreSQL comes to Azure Cosmos DB

The Citus database service has a new home on Azure: it’s now available as Azure Cosmos DB for PostgreSQL. Read all about it in Ozgun’s and Umur’s announcement blog post.

Citus 11.1 shards your Postgres tables without interruption

New in Citus 11.1, you can now distribute Postgres tables, split shards, and isolate tenants without interruption. Also included is PostgreSQL 15 beta 4 support.

Updates page for Citus 11.1

Release notes for Citus 11.1 with all the nitty gritty details about what’s new in 11.1.

Citus 11 for Postgres goes fully open source, with query from any node

Citus 11 is now 100% open source and includes the non-blocking shard rebalancer. Also new to Citus 11 is automatic metadata syncing, enabling you to query from any node.

Updates page for Citus 11.0

Release notes for 11.0, now 100% open source.

Test drive the Citus 11.0 beta for Postgres

Details about 11.0 beta release of the Citus database, with in-depth explanations of new cluster activity views and metadata syncing capabilities.

Citus Con: An Event for Postgres

Big thank you to all who joined the very first Citus Con: An Event for Postgres, a free, virtual, developer event about Postgres and Citus. If you missed it, you can still watch all 38 recorded talks online!

How we shipped Postgres 14 on Azure within a day

How we made Postgres 14 available in production on Azure in our Hyperscale (Citus) service, just one day from the Postgres 14 release.

What’s new in the Citus 10.2 extension to Postgres?

Release notes for Citus 10.2, featuring Postgres 14 support, sharding time series data, and index support for columnar.

What’s new in the Citus 10.1 extension to Postgres?

Release notes for Citus 10.1, including optimizations for the shard rebalancer and multi-row INSERTs.

Hasura now supports Citus

Hasura docs about their new support for Citus, giving you GraphQL APIs with Citus.

Citus: Distributed PostgreSQL for Data-Intensive Applications

Industry-track paper about Citus at the ACM SIGMOD/PODS 2021 conference.

Sharding Postgres on a single Citus node, how why & when

Deep dive into sharding Postgres on a single Citus node, now available as part of Citus 10.

Citus 10 brings columnar compression to Postgres

Deep dive post into the new Citus 10 columnar storage feature for Postgres.

Citus 10: Columnar for Postgres, rebalancer, single-node, & more

Release notes for Citus 10, including columnar storage, single-node Citus—plus we've open sourced the shard rebalancer.

What’s new in Citus 9.5

Release notes for the Citus 9.5 open source release, including new Postgres 13 support & user experience improvements.

What’s new in the Citus 9.4 extension to Postgres

About the performance insights, improvements, and tuning capabilities in the Citus 9.4 open source release.

How to Create SQL Percentile Aggregates and Rollups with Postgresql and t-digest

Customer blog: How to Create SQL percentiles rollups at scale with Postgres, t-digest, and Citus.

Release notes for Citus 9.3

What’s new in Citus 9.3, including advances to window functions, adaptive connection management, shard pruning, & INSERT..SELECT.

Multitenancy in CUBA with Citus

About implementing multi-tenant apps with the CUBA open source Java web framework, using Citus.

Microsoft Azure Welcomes PostgreSQL Committers

Q&A with the Postgres committers who have joined the Postgres team at Microsoft. Welcome!

Citus 9.2 speeds up large scale HTAP workloads on Postgres

Citus 9.2 includes performance improvements for HTAP (hybrid transactional analytic processing) e.g. CTEs, aggregate functions, & re-partition joins.

Azure Database for PostgreSQL - Hyperscale (Citus) now generally available

Announcement blog for Hyperscale (Citus), now GA as a built-in deployment option for Azure Database for PostgreSQL.

Azure Database for PostgreSQL and OSSDBs on Azure: Latest updates through Ignite 2019!

All the things about Azure Database for PostgreSQL and Hyperscale (Citus) announcements in Nov 2019 from Ignite.

Scaling Postgres DB for better performance - per aspera ad Citus

A customer blog: How DEVersity transformed Postgres into a distributed database with Citus, so their client no longer has to worry about growth.

Citus Data: Founding to Acquisition with Umur Cubukcu

In this episode, Umur Cubukcu joins the podcast to talk about the story of the company from its early days to its eventual acquisition.

Scaling Our Analytical Processing Service: Sharding a PostgreSQL Database with Citus

Customer blog: sharding Postgres with Citus to handle massive scale. Covers how Smartly.io migrated to Citus, too.

Introducing Hyperscale (Citus) on Azure Database for PostgreSQL

Announcing the new Hyperscale (Citus) deployment option built into Azure Database for PostgreSQL.

Get high-performance scaling for your Azure database workloads with Hyperscale

Azure blog post explaining the benefits of Hyperscale capabilities in Azure databases, including Hyperscale (Citus) on Azure Database for PostgreSQL.

Introducing pg_auto_failover: Open source extension for automated failover and high-availability in PostgreSQL

Introducing pg_auto_failover to take care of keeping your Postgres database available. So you don’t have to.

Microsoft Acquires Citus Data: Creating the World’s Best Postgres Experience Together

We are so excited to share the news that Microsoft has acquired Citus Data. Hear more about the announcement in the blog post from our co-founders.

Two Thought Leaders on Open Source Past, Present and Future

A podcast interview with Citus Data co-founder Umur Cubukcu & open source luminary Danese Cooper, by The New Stack's Bruce Gain. Including a cameo on Postgres, of course.

Understanding the Architecture of Citus and Distributed PostgreSQL with CTO Ozgun Erdogan

Video interview about how Citus leverages the PostgreSQL extension APIs to scale out Postgres horizontally.

Why Citus Data is donating 1% equity to PostgreSQL organizations

Blog post by our CTO Ozgun Erdogan on why Citus Data donated 1% of our stock to the PostgreSQL open source community.

Citus Data Donates 1% of Equity to Non-Profit PostgreSQL Organizations

The donation of 1% of Citus Data stock is being made to advance the growth of the open source PostgreSQL database in the US & Europe.

How one company’s donation model could show us a sustainable future for open source

From Matt Asay: Citus Data has a novel idea for funding the Postgres open source project, one that just might work elsewhere.

Why Citus Data is donating 1 percent equity to PostgreSQL foundations

The economics of open source are changing. An interview with co-founder Umur Cubukcu on why Citus Data donated 1% equity to the PostgreSQL non-profits.

Citus Data donates 1% equity to non-profit PostgreSQL orgs

There’s open source and there’s open source. Post by Adrian Bridgwater on the Citus 1% stock donation.

Citus Data Talks Open Source Community and Pledge 1% Movement

Part of VMblog’s Expert Interviews, a Q&A with Citus Data CTO Ozgun Erdogan about open source, PostgreSQL, and Citus Data.

Why Donating Equity Can Lead to Greater Innovation in the Open Source World

An IT Briefcase Exclusive Interview with Citus Data CTO Ozgun Erdogan on the Citus Data 1% stock donation to the PostgreSQL non-profits.

Announcing Citus 7.5: The right way to scale SaaS apps

New features that make scaling your SaaS multi-tenant database easier, including foreign key constraints from distributed to reference tables.

Scaling Postgres at Affinity with Citus

Customer blog: all about why the team at Affinity migrated from RDS Postgres to Citus to shard Postgres.

Postgres Sharding and Scalability with Marco Slot

Interview with Citus Data principal engineer Marco Slot about the Citus approach to sharding Postgres.

Announcing Citus 7.4: Move fast and reduce technical debt

All about the latest release of our Citus distributed database that scales out Postgres. Citus 7.4 goals: reduce technical debt and improve release velocity.

Building Real Time Analytics APIs at Scale

Customer blog: to provide near real-time analytics to customers on billions of queries per day, Algolia redesigned their analytics API from the ground up. With Citus.

Announcing Citus 7.3

Citus 7.3 is the latest release of the Citus database & includes broader SQL coverage, Tableau integration, the new TopN extension, & more.

Announcing TopN, a New Extension To PostgreSQL

TopN is a useful new open source extension to Postgres, that enables you to calculate the most frequently occurring values of a thing.

Citus Data Turns Postgres into a Scalable Distributed Database System

Team at Citus wants to make it so you never have to worry about scaling your Postgres database again.

Why old-school Postgres is so hip again

Postgres is old as dirt, yet over the past five years it has panned out as pure gold.

Distributed PostgreSQL Settling Into Cloud

Citus gives you the horizontal scale of modern NoSQL, without giving up the transactional consistency and SQL of a relational database.

What Happens to Your Database When Your SaaS app Takes Off?

Decision tree for SaaS databases — start relational, start with Postgres.

Citus 7.1: Window functions, distinct, distributed transactions, more

Announcing all the things in the stealth release of Citus 7.1, the latest version of worry-free Postgres that scales out.

A Comparison of Advanced, Modern Cloud Databases

Brandur’s analysis of the tradeoffs among cloud databases, looking at the most general purpose, most practical, & most interesting databases. Includes Citus.

Citus 7: Transactions, Framework Integration, and Postgres 10

When we started working on Citus, our vision was to combine the power of relational databases with the elastic scale of NoSQL.

Introducing WAL-G by Citus: Faster Disaster Recovery for Postgres

Introducing WAL-G, a new version of WAL-E, a continuous archiving utility to make it easy for Postgres users to prepare for & recover from disasters.

Announcing Citus 6.2: a multi-tenant database for a civilized age

All the highlights of new features in Citus 6.2, available as open source, in our on-prem enterprise version, and in our fully-managed database as a service.