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Scaling SQLite to 4M QPS on a Single Server (EC2 vs Bare Metal)
Discover how Expensify achieved remarkable scaling: 4M QPS on one server! Dive into optimizing SQLite for impressive performance gains.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 6,949 posts.
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Today's CPU vulnerability: what you need to know
Posted by Matt Linton, Senior Security Engineer and Pat Parseghian, Technical Program Manager [Google Cloud, G Suite, and Chrome customers...
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Collapse OS — Bootstrap post-collapse technology
I expect our global supply chain to collapse before we reach 2030. With this collapse, we won't be able to produce most of our electronics because their production depends on a very complex supply chain that we won't be able to achieve again for decades (ever?).
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Jepsen: Redis
Previously on Jepsen , we explored two-phase commit in Postgres . In this post, we demonstrate Redis losing 56% of writes during a partition.
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An amusing story about a practical use of the null garbage collector
The computer itself ceases to exist.
6936
FreeBSD on EC2 status
For lists of FreeBSD AMI IDs, please consult the appropriate FreeBSD release announcement; you can also launch FreeBSD through the AWS Marketplace .
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Cap'n Proto: Cap'n Proto, FlatBuffers, and SBE
Update Jun 18, 2014: I have made some corrections since the original version of this post.
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Routing & Network Namespaces
Like all Linux network interfaces, WireGuard integrates into the network namespace infrastructure. This means an administrator can have several entirely different networking subsystems and choose which interfaces live in each.
6940
Mitigating Spectre with Site Isolation in Chrome
Posted by Charlie Reis, Site Isolator Speculative execution side-channel attacks like Spectre are a newly discovered security risk for web...
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Introducing Zero Round Trip Time Resumption (0-RTT)
Cloudflare’s mission is to help build a faster and more secure Internet. Over the last several years, the Internet Engineering Task Force (IETF) has been working on a new version of TLS, the protocol that powers the secure web.
6942
Easy Automated Snapshot-Style Backups with Rsync
How to make easy, automated snapshot-style backups with rsync and UNIX
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TCCBOOT: TinyCC Boot Loader
TCCBOOT is only 138 KB big (uncompressed code) and it can compile and run a typical Linux kernel in less than 15 seconds on a 2.4 GHz Pentium 4.
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Microsoft finds underwater datacenters are reliable, practical and use energy sustainably
Microsoft retrieved the Northern Isles underwater datacenter from the seafloor off Scotland's Orkney Islands. Project Natick is proving the concept of underwater datacenters is feasible as well as logistically, environmentally and economically practical.
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Jepsen: MongoDB
Previously in Jepsen , we discussed Redis . In this post, we’ll see MongoDB drop a phenomenal amount of data. See also: followup analyses of 2.6.7 and 3.4.0-rc3 .
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Computed goto for efficient dispatch tables
Recently, while idly browsing through the source code of Python, I came upon an interesting comment in the bytecode VM implementation ( Python/ceval.c ) about using the computed gotos extension of GCC [1] . Driven by curiosity, I decided to code a simple example to evaluate the difference between using a computed goto…
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HyperSwitch
Yet another window switcher for your Mac.
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Diagnosing a Double-Free Concurrency Bug in Rust's Unbounded Channels
Explore how Materialize engineers diagnosed and resolved a rare concurrency bug in Rust's unbounded channels that led to undefined behavior through double-free memory errors.