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Fast and flexible observability with canonical log lines
Canonical log lines are a lightweight, flexible, and technology-agnostic technique for observability that are powerful and easy to implement.
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The latest blog posts to take off on Hacker News. 2,560 posts.
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Composable multi-threaded parallelism in Julia
Software performance depends more and more on exploiting multiple processor cores....
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Understanding Docker Container Escapes
Trail of Bits recently completed a security assessment of Kubernetes, including its interaction with Docker. Felix Wilhelm’s recent tweet of a Proof of Concept (PoC) “container escape” sparked our interest, since we performed similar research and were curious how this PoC could impact Kubernetes. Quick and dirty way…
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Faster, cheaper, and better: A story of breaking a monolith
On May 21st 2019, we broke search service out of vehicle-service. It was faster, cheaper, and better!
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Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code
Abhinav Jangda, Bobby Powers, Emery D. Berger, and Arjun Guha, University of Massachusetts Amherst
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What is Silverblue?
You may have heard about Fedora Silverblue, the next-generation desktop OS. This article gives you a more complete view about what it is and how it works.
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Root cause analysis: significantly elevated error rates on 2019‑07‑10
On 2019-07-10, the Stripe API was severely degraded. Two different database bugs and a configuration change caused a cascading failure over several critical services. Here’s what we’ve learned so far.
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Details of the Cloudflare outage on July 2, 2019
Almost nine years ago, Cloudflare was a tiny company and I was a customer not an employee. Cloudflare had launched a month earlier and one day alerting told me that my little site, jgc.org, didn’t seem to have working DNS any more.
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Playing with a Raspberry Pi 4 64-bit
Lightweight virtualization is a natural fit for low power devices and, so, seeing that the extremely popular Raspberry Pi line got an upgrade, we were very keen on trying the newly released Raspberry Pi 4 model B. Getting the board up and running with a 64bit kernel (and a 64bit userland) proved to be kind of a…
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Amazon Aurora PostgreSQL Serverless
The database is usually the most critical part of a software architecture and managing databases, especially relational ones, has never been easy. For this reason, we created Amazon Aurora Serverless, an auto-scaling version of Amazon Aurora that automatically starts up, shuts down and scales up or down based on your…
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Linux 5.2 released: list of changes
List of changes and new features merged in the Linux kernel during the 5.2 development cycle
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It rather involved being on the other side of this airtight hatchway
Not every code injection bug is a security hole.
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Cloudflare outage caused by bad software deploy
Starting at 1342 UTC today we experienced a global outage across our network that resulted in visitors to Cloudflare-proxied domains being shown 502 errors (“Bad Gateway”). The cause of this outage was deployment of a single misconfigured rule within the Cloudflare Web Application Firewall (WAF)
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CUDA Grep
CUDA grep : Manish and Brandon's 15418 final project
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Introducing people.kernel.org
Ever since the demise of Google+, many developers have expressed a desire to have a service that would provide a way to create and manage...
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Why Monzo's bank transfers weren't working on the 30th of May
A technical problem at the company we use to connect to Faster Payments caused issues with bank transfers. To fix it, we’re bringing everything in-house instead.
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DPAPI security flaw in Windows 10
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OpenMandriva, the first Clang-built Linux distribution
OpenMandriva Lx is a unique and independent distribution and direct descendant of Mandriva Linux
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Jepsen: TiDB 2.1.7
In 2010, Google engineers Daniel Peng & Frank Dabek published Large-scale Incremental Processing Using Distributed Transactions and Notifications , which described Percolator: a Google-internal database for random access transactional workloads where low latencies are not required. Percolator uses a global…
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How do I delete bytes from the beginning of a file? (2010)
It's easy to append bytes to the end of a file: Just open it for writing, seek to the end, and start writing. It's also easy to delete bytes from the end