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Blender Cycles Turbocharged: how we made rendering 10x faster
Blender Studio is a web service that provides access the training videos and all the data from the Blender open projects.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,560 posts.
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Microsoft didn’t sandbox Windows Defender, so I did
Microsoft exposed their users to a lot of risks when they released Windows Defender without a sandbox. This surprised me. Sandboxing is one of the most effective security-hardening techniques. Why did Microsoft sandbox other high-value attack surfaces such as the JIT code in Microsoft Edge, but leave Windows Defender…
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Why are my ZFS disks so noisy?
Earlier this year, a user at Practical ZFS asked a deceptively simple question: I have a Proxmox pool of three four-wide RAIDz1 vdevs. Whenever my VM is running, all twelve... Read More
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Big Fish: Exploiting a 37-Year-Old Kernel Bug in OpenBSD
Big fish. Small counter. Root shell.
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How to Design a Scalable Rate Limiting Algorithm
What is rate limiting? Navigate through the pros and cons of the available algorithms and best practices for how to design scalable rate limiting in Kong API.
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Android 13 requires devices to have more than 2GB RAM and 16GB storage
News and insights on the Android platform, developer tools, and events.
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Best practices can slow your application down
In order to get the most performant site possible when building the codebase for our public Stack Overflow site, we didn’t always follow best practices.
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How oxide cuts data center power consumption in half
A rack-scale design that drives data center power efficiency.
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Warp, a fast preprocessor for C and C++
Visit the post for more.
1061
Guix Further Reduces Bootstrap Seed to 25%
Blog posts about GNU Guix.
1062
RavenDB 6.0.2 (A Jepsen Report)
RavenDB is a distributed document database which repeatedly advertises its support for ACID transactions. 1 It’s intended for OLTP workloads, and offers a variety of ETL paths for exporting data to other systems. Its transactional API revolves around a session handle, which “represents a single business transaction on…
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Temporal Python – A durable, distributed asyncio event loop (2023)
Introduction to the Temporal Python SDK and how Temporal is a durable, distributed asyncio event loop
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How to stop running out of ephemeral ports and love long-lived connections
Often programmers have assumptions that turn out, to their surprise, to be invalid. From my experience this happens a lot. Every API, technology or system can be abused beyond its limits and break in a miserable way
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Jepsen: Redis-Raft 1b3fbf6
Redis is a fast single-threaded data structure server, commonly used as a cache, scratchpad, queue, or coordination mechanism between distributed applications. It offers operations over a broad array of datatypes , including binary blobs, lists, sets, sorted sets, maps, geohashes, counters, channels, streams, and…
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BPF: The Forgotten Bytecode
Every once in a while I run into an obscure computer technology that is a hidden gem, which over the years has become mostly forgotten. This is exactly how I feel about the tcpdump tool and its kernel counterpart the packet filter interface.
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Chaos Monkey Guide for Engineers
A complete and comprehensive guide to learn about, set up, and deploy Chaos Monkey and other similar tools for creating chaos. Download the whole guide.
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Introduction to Linux interfaces for virtual networking (2018)
Explore common Linux virtual network interfaces, including Bridge, Bonded interface, VLAN, VXLAN, MACVLAN, IPVLAN, MACVTAP/IPVTAP, and more. Learn how to create and use them effectively for your
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PostgreSQL and the OOM killer: Why we use strict memory overcommit
In this blog post, we will explain how strict memory overcommit protects your database from catastrophic OOM (out of memory) kills. We will also share how a one character kernel bug forced us to temporarily disable this setting. Finally, we will explain our heuristic for determining the right memory overcommit limit…
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The hidden complexity of scaling WebSockets
WebSockets are at the very core of Compose. Learn how we scaled them to support 1000s of concurrent users.
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ReactOS 0.4.5 Released
ReactOS is a free, opensource reimplementation of windows
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Immutable Software Deploys Using ZFS Jails on FreeBSD
An article demonstrating immutable software deployments using ZFS snapshots and FreeBSD jails, with Caddy as a health‑checked reverse proxy for zero‑downtime upgrades.
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How to drop 10M packets per second
Internally our DDoS mitigation team is sometimes called "the packet droppers". When other teams build exciting products to do smart things with the traffic that passed through our network, we take joy in discovering novel ways of discarding it.
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Unikernels are secure
Per Buer is the CEO of IncludeOS . IncludeOS is a clean-slate unikernel written in C++ with performance and security in mind. Per Buer is the founder and previous CEO/CTO of Varnish Software.
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Fedora 42 Beta
Discover Fedora 42 Beta: New AI-focused features for modern application development
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Manticore 6.0.0 – a faster alternative to Elasticsearch in C++
Today, the Manticore team is thrilled to announce the release of Manticore Search 6.
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Jepsen: Redpanda 21.10.1
Redpanda is a Kafka -compatible distributed streaming system based around append-only logs. Compared to Kafka, Redpanda aims to offer users lower latencies and reduced operational complexity. It uses the Raft consensus algorithm internally, rather than depending on a separate installation of Zookeeper . Redpanda…