Performance measurements… and the people who love them
2025-05-20
Developers have a gut-felt understanding for performance, but that intuition breaks down when systems reach Cloudflare’s scale....
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Moving Baselime from AWS to Cloudflare: simpler architecture, improved performance, over 80% lower cloud costs
2024-10-31
Post-acquisition, we migrated Baselime from AWS to the Cloudflare Developer Platform and in the process, we improved query times, simplified data ingestion, and now handle far more events, all while cutting costs. Here’s how we built a modern, high-performing observability platform on Cloudflare’s network. ...
Adopting OpenTelemetry for our logging pipeline
2024-06-03
Recently, Cloudflare's Observability team undertook an effort to migrate our existing syslog-ng backed logging infrastructure to instead being backed by OpenTelemetry Collectors. In this post, we detail the process that we undertook, and the difficulties we faced along the way...
Reclaiming CPU for free with Go's Profile Guided Optimization
2024-05-14
Golang 1.20 introduced support for Profile Guided Optimization (PGO) to the go compiler. This post covers the process we created for experimenting with PGO at Cloudflare, and measuring the CPU savings...
Cloudflare acquires Baselime to expand serverless application observability capabilities
2024-04-05
Developer WeekDevelopersDeveloper PlatformProduct NewsCloudflare WorkersObservabilityAcquisitionsConnectivity Cloud
Today, we’re thrilled to announce that Cloudflare has acquired Baselime, a serverless observability company...
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April 04, 2024 1:05 PM
New tools for production safety — Gradual deployments, Source maps, Rate Limiting, and new SDKs
Today we are announcing five updates that put more power in your hands – Gradual Deployments, Source mapped stack traces in Tail Workers, a new Rate Limiting API, brand-new API SDKs, and updates to Durable Objects – each built with mission-critical production services in mind...
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March 29, 2024 1:00 PM
Minimizing on-call burnout through alerts observability
Learn how Cloudflare used open-source tools to enhance alert observability, leading to increased resilience and improved on-call team well-being...
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January 24, 2024 2:00 PM
Introducing Foundations - our open source Rust service foundation library
Foundations is a foundational Rust library, designed to help scale programs for distributed, production-grade systems...
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January 08, 2024 2:00 PM
An overview of Cloudflare's logging pipeline
In this post, we’re going to go over what that looks like, how we achieve high availability, and how we meet our Service Level Objectives (SLOs) while shipping close to a million log lines per second...
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September 28, 2023 1:00 PM
Cloudflare Integrations Marketplace introduces three new partners: Sentry, Momento and Turso
Earlier this year, we introduced integrations with Supabase, PlanetScale, Neon and Upstash. Today, we are thrilled to introduce our newest additions to Cloudflare’s Integrations Marketplace – Sentry, Turso and Momento...
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March 03, 2023 2:00 PM
How Cloudflare runs Prometheus at scale
Here at Cloudflare we run over 900 instances of Prometheus with a total of around 4.9 billion time series. Operating such a large Prometheus deployment doesn’t come without challenges . In this blog post we’ll cover some of the issues we hit and how we solved them...
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January 24, 2023 2:00 PM
Intelligent, automatic restarts for unhealthy Kafka consumers
At Cloudflare, we take steps to ensure we are resilient against failure at all levels of our infrastructure. This includes Kafka, which we use for critical workflows such as sending time-sensitive emails and alerts....
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September 28, 2022 1:00 PM
Monitor your own network with free network flow analytics from Cloudflare
Cloudflare is excited to announce that we are releasing a free version of Magic Networking Monitoring (previously called Flow Based Monitoring). Magic Network Monitoring receives network flow data from a customer’s router(s) and provides network traffic analytics via Cloudflare’s...
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May 19, 2022 3:39 PM
Monitoring our monitoring: how we validate our Prometheus alert rules
Pint is a tool we developed to validate our Prometheus alerting rules and ensure they are always working...
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April 13, 2021 1:00 PM
Expanding the Cloudflare Workers Observability Ecosystem
Cloudflare adds Data Dog, Honeycomb, New Relic, Sentry, Splunk, and Sumologic as observability partners to the Cloudflare Workers Ecosystem...
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January 14, 2021 12:00 PM
Soar: Simulation for Observability, reliAbility, and secuRity
In this article, we will discuss one of the techniques we use to fight such software complexity: simulations. Simulations are basically system tests that run with synthesized customer traffic and applications....
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