151
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 211 posts.
152
ReactOS 0.4.12
ReactOS is a free, opensource reimplementation of windows
153
154
155
JavaScript Array.push is 945x faster than Array.concat
It took six whole seconds to merge 15,000 arrays with an average size of 5 elements with .concat. What the hell is the Javascript's .concat method doing under the hood?
156
Coming Soon – Graviton2-Powered General Purpose EC2 Instances
We launched the first generation (A1) of Arm-based, Graviton-powered EC2 instances at re:Invent 2018. Since that launch, thousands of our customers have used them to run many different types of scale-out workloads including containerized microservices, web servers, and data/log processing. The Operating System Vendors…
157
158
Firefox Beta for Windows 10 on Qualcomm Snapdragon Now Available
Today, we’re excited to report the availability of our ARM64-native build of Firefox for Snapdragon-powered Windows 10 Always Connected PCs in our beta release channel, a channel aimed at developers or early tech adopters to test upcoming features before they’re released to consumers.
159
Virtually Unlimited Memory: Escaping the Chrome Sandbox
Posted by Mark Brand, Exploit Technique Archaeologist.IntroductionAfter discovering a collection ...
160
161
162
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...
163
Better web video with AV1 codec
Learn to use AV1 to make videos on your website smaller and better quality. CLI instructions and cross-browser tricks.
164
165
SOCKMAP – TCP splicing of the future
cccccblgtbhdtvkdkbdfcdvgiicuckkdkruvfceiuiur
166
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…
167
Traits of Serverless Architecture
Whenever new technologies emerge, the first priority for a technologist is to understand the implication of adopting it. Serverless architecture is a case in point.
168
Io_submit and Linux AIO – An epoll alternative
The Linux AIO is designed for, well, Asynchronous disk IO! They are not network sockets, but is it possible to use Linux AIO API with network sockets? The answer is a strong YES!
169
Zabbix, Time Series Data and TimescaleDB
Every monitoring system has to deal with three kinds of performance-related challenges. Firstly, a good monitoring system must receive, process and record incoming data very quickly. Every microsecond counts here. This may not seem obvious from the start but when your system becomes large enough all the tiny fractions…
170
Thermal Testing Raspberry Pi 4
Raspberry Pi 4 just got a lot cooler! The last four months of firmware updates have taken over half a watt out of idle power and nearly a watt out of fully loaded power
171
172
CockroachDB's Consistency Model
CockroachDB's consistency model fits somewhere between serializability and linerarizability. We're proposing a new marketing phrase for CRDB's guarantees: no stale reads.
173
174
How to write a rootkit without really trying
We open-sourced a fault injection tool, KRF, that uses kernel-space syscall interception. You can use it today to find faulty assumptions (and resultant bugs) in your programs. Check it out! This post covers intercepting system calls from within the Linux kernel, via a plain old kernel module. We’ll go through a quick…
175
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…
176
177
Breaking Out of Docker via RunC
Unit 42 brings together world-renowned threat researchers, incident responders and security consultants to create an intelligence-driven, response-ready organization that's passionate about helping you proactively manage cyber risk.
178
Jepsen: YugaByte DB 1.1.9
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. We have re-checked YugaByte DB 1.1.15.0-b16 with a corrected checker, and its long fork tests still pass.
179
Beating C with Futhark Running on GPU
A high-performance and high-level purely functional data-parallel array programming language that can execute on the GPU and CPU.
180