Deploy Postgres and MySQL databases with PlanetScale + Workers
2026-04-16
Learn how to deploy PlanetScale Postgres and MySQL databases via Cloudflare and connect Cloudflare Workers....
SQL
Announcing support for GROUP BY, SUM, and other aggregation queries in R2 SQL
2025-12-18
Cloudflare’s R2 SQL, a distributed query engine, now supports aggregations. Explore how we built distributed GROUP BY execution, using scatter-gather and shuffling strategies to run analytics directly over your R2 Data Catalog....
R2 SQL: a deep dive into our new distributed query engine
2025-09-25
R2 SQL provides a built-in, serverless way to run ad-hoc analytic queries against your R2 Data Catalog. This post dives deep under the Iceberg into how we built this distributed engine....
Sequential consistency without borders: how D1 implements global read replication
2025-04-10
D1, Cloudflare’s managed SQL database, announces read replication beta. Here's a deep dive of the read replication implementation and how your queries can remain consistent across all regions....
Pools across the sea: how Hyperdrive speeds up access to databases and why we’re making it free
2025-04-08
Hyperdrive, Cloudflare's global connection pooler, relies on some key innovations to make your database connections work. Let's dive deeper, in celebration of its availability for Free Plan customers....
Over 700 million events/second: How we make sense of too much data
2025-01-27
Here we explain how we made our data pipeline scale to 700 million events per second while becoming more resilient than ever before. We share some math behind our approach and some of the designs of ...
Elephants in tunnels: how Hyperdrive connects to databases inside your VPC networks
2024-10-25
Hyperdrive (Cloudflare’s globally distributed SQL connection pooler and cache) recently added support for directing database traffic from Workers across Cloudflare Tunnels....
Supporting Postgres Named Prepared Statements in Hyperdrive
2024-06-28
Hyperdrive (Cloudflare’s globally distributed SQL connection pooler and cache) recently added support for Postgres protocol-level named prepared statements across pooled connections. We dive deep on what it took to add this feature...
Thwarting the Tactics of the Equifax Attackers
2017-11-13
We are now 3 months on from one of the biggest, most significant data breaches in history, but has it redefined people's awareness on security?...
The Sleepy User Agent
2016-05-17
From time to time a customer writes in and asks about certain requests that have been blocked by the CloudFlare WAF. Recently, a customer couldn’t understand why it appeared that some simple GET requests for their homepage were listed as blocked in WAF analytics....
Scaling out PostgreSQL for CloudFlare Analytics using CitusDB
2015-04-09
When I joined CloudFlare about 18 months ago, we had just started to build out our new Data Platform. At that point, the log processing and analytics pipeline built in the early days of the company had reached its limits. ...
Drupal 7 SA-CORE-2014-005 SQL Injection Protection
2014-10-16
Yesterday the Drupal Security Team released a critical security patch for Drupal 7 that fixes a very serious SQL injection vulnerability....
Integrating Kyoto Tycoon With PostgreSQL
2013-07-08
CloudFlare has Points of Presence (PoPs) in 23 datacenters around the world and plans to expand to many more soon. It also has a single portal, CloudFlare.com, where website owners interact with the system. ...
Ian Pye Presents SortaSQL @ the CloudFlare Loft
2011-04-22
Last night CloudFlare hosted a Hybrid DB meetup where Ian Pye, our lead Analytics Engineer, presented on the data infrastructure at CloudFlare. He discussed how CloudFlare looked at several NoSQL and SQL solutions and ended up with a hybrid model, SortaSQL....
