121
Moving a billion Postgres rows on a $100 budget
Inspired by the 1BR Challenge, I wanted to see how much it would cost to transfer 1 billion rows from Postgres to Snowflake. Moving 1 billion rows is no…
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 170 posts.
122
Address Sanitizer Internals
Going in depth into the Address Sanitizer internals.
123
A Walk with LuaJIT
How we scrape callstack information from the LuaJIT engine for profiling
124
New IBM LinuxONE 4 Express – Rack-mounted pre-configured Linux mainframe
IBM announced IBM® LinuxONE 4 Express, extending the latest performance, security and AI capabilities of LinuxONE to small and medium sized businesses and within new data center environments.
125
Researchers run high-performing LLM on the energy needed to power a lightbulb
UC Santa Cruz researchers show that it is possible to eliminate the most computationally expensive element of running large language models, called matrix multiplication, while maintaining performance.
126
Intel announces the Aurora supercomputer has broken the exascale barrier
At ISC 2024, Intel announces Aurora is the fastest AI supercomputer, has broken the exascale barrier, and details the importance of an open ecosystem in HPC and AI.
127
Solver Performance: 1989 vs. 2024
We estimate the magnitude of speed improvement for optimization solvers and computer hardware in the 35 years from 1989 to 2024.
128
MemoryDB: A fast and durable memory-first cloud database
Amazon MemoryDB for Redis is a database service designed for 11 9s of durability with in-memory performance. In this paper, we describe the architecture of MemoryDB and how we leverage open-source Redis, a popular data structure store, to build an enterprise-grade cloud database. MemoryDB offloads…
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130
Stremio OS Is Now Available for Raspberry Pi 5 and 4
We are happy to announce that Stremio is now available for Raspberry Pi 5 and 4, installable on an SD card (of at least 8GB). Note: While the Raspberry Pi 5 is fully capable of smooth 4K playback, Raspberry Pi 4 will not be able to play 4K content due to hardware limitations. This release...
131
OrioleDB beta7: Benchmarks
OrioleDB is a storage extension for PostgreSQL which uses PostgreSQL's pluggable storage system. Designed as a drop-in replacement for PostgreSQL's existing Heap storage, OrioleDB aims to overcome scalability bottlenecks and fully utilize modern hardware capabilities. By integrating seamlessly with PostgreSQL, it…
132
Wasmi v0.32: WebAssembly interpreter is now faster than ever
After many months of research, development and QA, Wasmi’s most significant update ever is finally ready for production use. Wasmi is an efficient and versatile WebAssembly (Wasm) interpreter with a focus on embedded environments. It is an excellent choice for plugin systems, cloud hosts and as smart contract…
133
Antithesis of a One-in-a-Million Bug: Taming Demonic Nondeterminism
With the help of Antithesis, a startup from the founders of FoundationDB, CockroachDB engineers were able to track down and reproduce a most elusive one-in-a-million bug, nearly deterministically!
134
Unix and Multics (2019)
Story from the development of the Multics operating system. Unix, our famous child.
135
Security researchers identify new malware targeting Linux
ESET researchers analyzed previously unknown Linux backdoors that are connected to known Windows malware used by the China-aligned Gelsemium group, as well as to Project Wood.
136
Ledger: Stripe's system for tracking and validating money movement
Technical details on how Stripe built Ledger, a state-of-the-art money movement tracking system, including how teams at Stripe interact with the data quality metrics that underlie our payment processing network.
137
WASI 0.2.0 and Why It Matters
With the release of WASI Preview 2, we take a step back and look at why it matters for wasmCloud and the WebAssembly ecosystem.
138
Jepsen: Jetcd 0.8.2
Etcd is a coordination service designed to offer Strict Serializable reads, writes, and micro-transactions over a small, in-memory key-value store. In 2022, Jepsen re-tested etcd as a part of a private engagement covering an assortment of databases. We reported several issues to the etcd team during that engagement…
139
When are SSDs slow?
CedarDB is a database system that delivers unmatched performance for transactions and analytics, from small writes to handling billions of rows. Built on cutting-edge research to power today’s tools and tomorrow’s challenges.
140
Bpftop: Streamlining eBPF performance optimization
By Jose Fernandez
141
Let's Embed a Go Program into the Linux Kernel (2023)
Today, we would like to present a lesser-known feature of the Linux kernel. Instead of launching a program from a file system, regardless of whether it's virtual or not, it is also possible to embed a user-space program directly into the kernel image itself and start it from there.
142
NetBSD 10.0 Released
Download 10.0 from our CDN: amd64 USB , amd64 CD , various ARM devices , full release dir with everything else .
143
A jump into the middle of an instruction from nowhere (2023)
Another rogue patcher.
144
SEQUOIA: Exact Llama2-70B on an RTX4090 with half-second per-token latency
Serving Llama2-70B on an RTX4090 with Sequoia
145
Optimizing ClickHouse: Tactics that worked for us
At LaunchDarkly, we ingest nearly 100 terabytes of observability data from our customers every month.
146
Exploring How Cache Memory Works
Even though we often hear terms like L1, L2, cache block size, etc., most programmers have a limited understanding of what cache really is. This is a beginner-friendly primer on how cache works.
147
Towards userspaceification of POSIX – part I: signal handling and IO
The Redox official website
148
Nebula is not the fastest mesh VPN, but neither are the others
(But neither are any of the others)
149
Fifty years of the personal computer operating system
Fifty years ago, PC software pioneer Gary Kildall demonstrated CP/M, the first commercially successful personal computer operating system.
150
End-to-end congestion control cannot avoid latency spikes (2022)
What are the fundamental limits of end-to-end congestion control in 5G networks?