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Second week of my NixOS notes on what happened in the community or that I learned that I found interesting.
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Do you remember MapReduce? That distributed computing pattern that powered early Google and Hadoop? “Mapping” a lot of tasks to some compute clusters, then “reducing” the results? Well, I’ve been experimenting with applying the same concept to AI tasks using Claude Code, and the results have been surprisingly powerful. This is already being used to generate RAGs, but it’s a lot more fun to try it locally in your own documents.
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Do you remember MapReduce? That distributed computing pattern that powered early Google and Hadoop? “Mapping” a lot of tasks to some compute clusters, then “reducing” the results? Well, I’ve been experimenting with applying the same concept to AI tasks using Claude Code, and the results have been surprisingly powerful. This is already being used to generate RAGs, but it’s a lot more fun to try it locally in your own documents.
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The Marginalia Search index has been partially rewritten to perform much better, using new data structures designed to make better use of modern hardware. This post will cover the new design, and will also touch upon some of the unexpected and unintuitive performance characteristics of NVMe SSDs when it comes to read sizes. The index is already fairly large, but can sometimes feel smaller than it is, and paradoxically, query performance i..
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Matt ODell [26:26]: "Trump has absolutely filled his bags with as much Bitcoin as possible, including all of his cronies. I mean right now his stock, Trump Media, has 15000 Bitcoin in the Treasury. Bro has more Bitcoin than Coinbase." #
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Back to science fiction with another installment in the Hainish Cycle! The Telling is about orthodoxy, totalitarianism, and cultural revolution. It felt different than other sci-fi I’ve read from Le Guin. Instead of being a man from an alient planet like Hain-Davenant or Annares, the narrator is an Indian-Canadian woman from Earth. While the story takes place on the recently-uplifted planet Aka, Earth and the narrator’s rememberings and a..
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Back to science fiction with another installment in the Hainish Cycle! The Telling is about orthodoxy, totalitarianism, and cultural revolution. It felt different than other sci-fi I’ve read from Le Guin. Instead of being a man from an alient planet like Hain-Davenant or Annares, the narrator is an Indian-Canadian woman from Earth. While the story takes place on the recently-uplifted planet Aka, Earth and the narrator’s rememberings and a..
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I’m trying to get a bit back into the habit of daily blogging. I’ve found that when I get very in depth absorbed into development work, my blogging output decreases. It’s a focus thing, but also a balance thing. There are times when blogging can be an ephemeral and non-distracting activity, something you just do in a few minutes in between tasks. But it can also sometimes turn into something more involved. And when you are really in the thi..
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Single Sign On scales headcount and maintains security under a single credential. Services unfairly price for SSO, so I made my own for a furry convention.
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Single Sign On scales headcount and maintains security under a single credential. Services unfairly price for SSO, so I made my own for a furry convention.
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When considering an object-oriented programming problem, should you prefer inheritance or composition? Why wouldn't it just be simpler to use functions? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder's Weekly articles and projects.
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This is the online writing home of Tony Pisculli (I do other stuff in other places). You can find links to my published stories and interactive fiction, with notes on produced plays coming soon. The best place to start, if you’re new here, is probably this roundup of short stories I wrote for Inktober in […]
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Figure 1: Happy little storage buckets made of star stuff. I store all of my critical data in ZFS and replicate it offsite nightly with zrepl . The monitoring page of the zrepl docs mock me with: Monitoring endpoints are configured in the global.monitoring section of the config file. […] zrepl can expose Prometheus metrics via HTTP. Without the ability to fire commands after replication completes, this monitoring solu....
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Learn how to measure, analyze, and optimize loops using Linux perf, Top-Down Microarchitectural Analysis, and the CPU’s micro-op cache
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Lately, I have been pondering the waste we generate as we live and the ways to reduce it. As I scale down, I fill trash bags with things I can’t use, which bothers me. The items that can be donated and have a second life are strictly excluded from this definition, though. They’re donated to people who need them. The items that are disposed of include cardboard boxes, plastic containers, and items that have leaked or reached the end of the....
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One of my favorite projects has been using my Mac Mini as a home data center. It hosts this blog and all of my projects. After using cloud machines for decades, there's something tactile about maintai...
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One of my favorite projects has been using my Mac Mini as a home data center. It hosts this blog and all of my projects. After using cloud machines for decades, there's something tactile about maintai...
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Lately, I have been pondering the waste we generate as we live and the ways to reduce it. As I scale down, I fill trash bags with things I can’t use, which bothers me. The items that can be donated and have a second life are strictly excluded from this definition, though. They’re donated to people who need them. The items that are disposed of include cardboard boxes, plastic containers, and items that have leaked or reached the end of the....
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New Tool: xstack - Completely Passive eBPF Linux Stack Profiling Without Any Tracepoints
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tanelpoder.com
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1 year ago
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eng
I just added another tool into my 0x.tools toolset: With xstack , you can passively sample both kernel stacks and user stacks (as long as framepointers are present) with a pretty minimalistic tool, with no direct impact to your critical application processes! While xstack itself is just a data extraction tool, you probably want to summarize/profile all those thread states and stack profiles. Here’s an example of piping xstack output ..
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New Tool: xstack - Completely Passive eBPF Linux Stack Profiling Without Any Tracepoints
-
tanelpoder.com
-
1 year ago
-
eng
I just added another tool into my 0x.tools toolset: With xstack , you can passively sample both kernel stacks and user stacks (as long as framepointers are present) with a pretty minimalistic tool, with no direct impact to your critical application processes! While xstack itself is just a data extraction tool, you probably want to summarize/profile all those thread states and stack profiles. Here’s an example of piping xstack output ..
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