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Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 2,560 posts.
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Why Discord is switching from Go to Rust (2020)
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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Ruby has been fast enough for 13 years
When I started programming Ruby, it was on an Apple iBook G4/800. That beautiful 12” powerhouse of a 800 MHz PowerPC with a rocking 256MB of RAM. A lovely computer that was not only fast enough to …
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Windows file system compression had to be dumbed down
Practical development throughout the evolution of Windows.
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Amazon Elastic File System – Production-Ready in Three Regions
The portfolio of AWS storage products has grown increasingly rich and diverse over time. Amazon S3 started out with a single storage class and has grown to include storage classes for regular, infrequently accessed, and archived objects. Similarly, Amazon Elastic Block Store (Amazon EBS) began with a single volume…
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Postgres transactions are a distributed systems superpower
Keeping workflow state and application data in the same Postgres database lets one transaction update both, simplifying idempotency and atomicity.
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A Higgs-Bugson in the Linux Kernel
We recently ran across a strange higgs-bugson that manifested itself in a critical system that stores and distributes the firm’s trading activity data, calle...
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Splitting atoms in XNU
Posted by Ian Beer, Google Project ZeroTL;DRA locking bug in the XNU virtual memory subsystem all...
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XOR'ing a register with itself is the idiom for zeroing it out. Why not sub?
Somehow xor became the most popular version.
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Coming Soon: AWS Graviton2 Processor for AWS
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…
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Please grow your buffers exponentially
If you record every heap allocation and re-allocation done by Firefox you find some interesting things. In particular, you find some sub-optimal buffer growth strategies that cause a lot of heap churn.
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Once Claude can measure something, it can make it faster
Inside our performance sprint: the benchmarks Claude built, the loop each Slack thread ran, and the guardrails that let us ship 3,000 changes safely.
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This is what 864GB of RAM looks like now
From the very start, we wanted Basecamp Next to be fast. Really, really fast. To do so we built a russian-doll architecture of nested caching that I’ll write up in detail soon. But for now I just wanted to share where all this caching is going to live as we just installed it at the hosting ce…
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A QUIC update on Google’s experimental transport
Last year we announced QUIC , a UDP-based transport protocol for the modern Internet. Over the last quarter, we’ve been increasing the amo...
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C++ containers that save memory and time
The latest news from Google on open source releases, major projects, events, and outreach programs for early career developers.
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Low Cost EC2 Instances With Burstable Performance
Even though the speedometer in my car maxes out at 150 MPH, I rarely drive at that speed (and the top end may be more optimistic than realistic), but it is certainly nice to have the option to do so when the time and the circumstances are right. Most of the time I am using […]
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Jepsen: MongoDB 3.6.4
MongoDB is a long-time user of Jepsen . Over the past three years, Jepsen has performed several analyses for MongoDB, and MongoDB has integrated an expansive Jepsen test suite into their CI system. In March, MongoDB requested Jepsen perform an analysis on a previously untested configuration: sharded clusters. We also…
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ReactOS 0.4.9 released
ReactOS is a free, opensource reimplementation of windows
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Caching Beyond RAM: The Case for NVMe
memcached
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The poisoned NUL byte, 2014 edition
Posted by Chris Evans, Exploit Writer Underling to Tavis OrmandyBack in this 1998 post to the Bug...
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Keep the monolith, but split the workloads
Everybody loves a monolith, but you can hit issues as you scale. Learn how splitting workloads can improve your monolithic architecture's performance and scalability, and understand the trade-offs between monolithic systems and microservices.
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5x faster Edge Functions: V8 isolates to Firecracker MicroVMs
See how Netlify rebuilt Edge Functions on MicroVMs to deliver lower latency, greater reliability, and faster log delivery.
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Ubuntu now available from the Windows store
Today, we’re excited to announce that Canonical’s Ubuntu Linux Distro is now available in the Windows Store and can be downloaded and installed on any
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Every System is a Log: Avoiding coordination in distributed applications
Distributed coordination makes application complex and brittle. Because all systems eventually build on logs, we can use a shared-log approach to eliminate most coordination. We discuss this conceptually and show how this is practically implemented in the open source project Restate.
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Extensible WASM Applications with Go
Go 1.24 enhances WebAssembly capabilities with function export and reactor mode
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Git partial clone lets you fetch only the large file you need
Work faster with this experimental Partial Clone feature for huge Git repositories, saving you time, bandwidth, and storage, one large file at a time.
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ReactOS 0.4.7 released
ReactOS is a free, opensource reimplementation of windows
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Hacking the Postgres wire protocol
Inside PgDog's wire protocol handling: parsing simple and extended messages, using pg_query for AST inspection, and routing queries via the Postgres hash partition function.
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A big win for Android interoperability
Google gatekept key Android features, and the European Commission asked what we thought about it. Now Alphabet must open 11 Android features to all.