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The most popular blog posts about systems & performance on Hacker News. 187 posts.
2019-04-10: The long fork test used in this analysis contained a bug which caused it to (in many cases) fail to identify long fork anomalies—though we did find instances of long fork using other tests. We have re-checked Dgraph 1.0.13 with a corrected checker, and its long fork tests still pass.
The Qubes OS project has been around for nearly 8 years now, since its original announcement back in April 2010 (and the actual origin date can be traced back to November 11th, 2009, when an initial email introducing this project was sent within ITL internally). Over these years Qubes h...
The latest news from Google on open source releases, major projects, events, and outreach programs for early career developers.
Part 2 in our series on PPS limitations in AWS EC2 will help your organization.
Highly complex services, such as those here at Facebook, have large source code bases in order to deliver a wide range of features and functionality. Even after the machine code for one of these se…
View, search and download security bulletin information for individual IBM product versions and releases.
Performance tuning is not trivial, but you can go a long way with a few basic guidelines. In this blog, we will discuss how you analyze the workload of the database, and then review a list of important configuration parameters to improve the performance of PostgreSQL.
Starting with Chrome 66, V8 caches more (byte)code by generating the cache after top-level execution.
In-memory workloads continue to be the backbone of innovative data management use cases, but as demand increases, so does the need for even larger memory capacity. In July, we announced a partnership with Intel and SAP to offer GCP virtual machines supporting Intel® Optane DC™ persistent memory for SAP workloads. This…
Michael Dexter returns to update his blog post on the different file systems and details some key developments that are unfolding. He covers what's being added to these respective file systems: OpenZFS, Btrfs, and bcachefs. Michael Dexter has invested his volunteer time and career in Open Source hypervisors and file…
You likely know I like the ZFS filesystem a lot. ZFS stores the files in B-trees in a similar fashion as InnoDB stores data.
Today, GitHub code scanning has all of LGTM.com’s key features—and more! The time has therefore come to announce the plan for the gradual deprecation of LGTM.com.
Removing (most of) the software stack from the cloud Clive is an operating system designed to work in distributed and cloud computing environments. It’s main design guidelines are: Ther…
Processor problems have been in the news lately, due to the Meltdown and Spectre vulnerabilities. But generally, engineers writing software assume that computer hardware operates in a reliable, well-understood fashion, and that any problems lie on the software side of the software-hardware divide.
We’re on a mission to keep the magic of human connection alive. Learn more about life at Tinder and the many ways we're igniting our impact—for our employees and the millions of people seeking connection on our app.
This week we released the first production-ready version of Oboe - a C++ library for building real-time audio apps. Oboe provides the lowest possible audio latency across the widest range of Android devices, as well as several other benefits.
Algolia started out as a mobile SDK for apps that wanted better offline search. After customers starting asking for a hosted search product, they quic
DragonFly version 5.2 brings Meltdown/Spectre mitigation, significant improvements to HAMMER2, ipfw, and graphics acceleration. 5.2.1 includes a fix for CVE-2018-8897 , and 5.2.2 includes a fix for the LazyFP bug, CVE-2018-3665 .
Discover Centrifuge—a system designed for high-performance, exact data delivery. Learn how it handles massive event volumes, ensuring no data loss. Join Segment's innovation.
Unikernels are customized, single address space bootable images composed of an application and the required bare-minimum kernel functionality. Today’s unikernels have demonstrated substantial performance and security advantages over monolithic and microkernels, but none have yet achieved widespread adoption. The…
By far, the worst part of working on beets is dealing with filenames. And since our job is to keep track of your files in the database, we have to deal with them all the time. This post describes the filename problems we discovered in the project’s early days, how we address them now, and some alternatives for the…
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