61
We could save petabytes of cache storage with Zstandard and Pingora
Could we get more cache space with the same hardware? We prototyped compression inside Cloudflare's cache to find out.
Cloudflare Blog
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Visit blog.cloudflare.com → RSS feedOn Hacker News Jun 2011 – Nov 2026
Networking & Internet 106Security & Privacy 101Infrastructure & DevOps 77Web & Frontend 75Systems & Performance 64Software Engineering 53
62
Cloudflare’s Zero Egress Fee Object Storage, R2, Is Now GA
R2 is now generally available!! R2 gives developers object storage minus the egress fees
63
Cloudflare Pub/Sub: Programmable MQTT Message Brokers
Announcing the beta of Cloudflare Pub/Sub, our programmable, serverless message broker built on the open MQTT messaging standard
64
Comparing Serverless Performance for CPU Bound Tasks
This post is a part of an ongoing series comparing the performance of Cloudflare Workers with other Serverless providers. In our past tests we intentionally chose a workload which imposes virtually no CPU load (returning the current time).
65
How to build your own public key infrastructure
A major part of securing a network as geographically diverse as CloudFlare’s is protecting data as it travels between datacenters. Customer data and logs are important to protect but so is all the control data that our applications use to communicate with each other.
66
Announcing workers.dev
We are working really hard to allow you to deploy Workers without having a Cloudflare domain. You will soon be able to deploy your Cloudflare Workers to a subdomain-of-your-choice.workers.dev, which you can go claim now on workers.dev!
67
What happened on the Internet during the Facebook outage
Today, we're going to show you how the Facebook and affiliate sites downtime affected us, and what we can see in our data.
68
Durable Objects now Generally Available
Today, we’re announcing that Durable Objects are generally available and production-ready for you to use!
69
Cloudflare Access: Like BeyondCorp, but You Don’t Have to Be at Google to Use It
Tell me if this sounds familiar: any connection from inside the corporate network is trusted and any connection from the outside is not. This is the security strategy used by most enterprises today. The problem is that security is breached, the attacker has access to everything.
70
Partial Cloudflare outage on October 25, 2022
Today, a change to our Tiered Cache system caused some requests to fail for users with status code 530
71
Eliminating cold starts with Cloudflare Workers
A “cold start” is the time it takes to load and execute a new copy of a serverless function for the first time. It’s a problem that’s both complicated to solve and costly to fix.
72
Incident report on memory leak caused by Cloudflare parser bug
Last Friday, Tavis Ormandy from Google’s Project Zero contacted Cloudflare to report a security problem with our edge servers. He was seeing corrupted web pages being returned by some HTTP requests run through Cloudflare.
73
Fixing an old hack – why we are bumping the IPv6 MTU
Back in 2015 we deployed ECMP routing - Equal Cost Multi Path - within our datacenters. This technology allowed us to spread traffic heading to a single IP address across multiple physical servers.
74
Load Balancing without Load Balancers
CloudFlare had an hour-long outage this last weekend. Thankfully, outages like this have been a relatively rare occurrance for our service.
75
ASICs at the Edge
At Cloudflare, we pride ourselves in our global network that spans more than 200 cities in over 100 countries. To accelerate all that traffic through our network, there are multiple technologies at play. So let’s have a look at one of the cornerstones that makes all of this work.
76
Cloud Computing Without Containers: Hello Isolates
We have a cloud computing platform called Workers. Unlike essentially every other cloud computing platform I know of, it doesn’t use containers or virtual machines. We believe that is the future of Serverless and cloud computing in general, and I’ll try to convince you why.
77
Bandwidth Costs Around the World
CloudFlare protects over 4 million Internet properties using our global network which spans 86 cities across 45 countries. Running this network give us a unique vantage point to track the evolving cost of bandwidth around the world.