Guest post by **Andy Warfield**, an engineer on the **S3** team at **AWS**, published on **August 26, 2026** on *All Things Distributed*, **Werner Vogels**'s blog, who introduces it in a few lines signed "--W": **3,554 words** per the page. The text serves as the vehicle for the announcement that **DuckLabs**, the team behind **DuckDB**, is joining **AWS**. (A) The thesis: systems computing is about seeking the elegant trade-off against a moving "physics" — the ratios between memory speed, network, and compute — and that physics has changed. Warfield quantifies the gap: an **m1.xlarge** from 2007 offered **15 GB of RAM**, **4 virtual cores**, and **~1 Gb/s** of network; an **m8g.48xlarge** today offers roughly **50×** more of each of the three. Dataset growth, meanwhile, follows a distribution whose tail consists of very large volumes. (B) The consequence: distributed processing — **MapReduce**, **Spark**'s **RDDs** — was designed under the I/O constraints of the early 2000s, and much of the work assigned to it no longer needs to leave the application. Hence the embedded, in-process library engine, running in the application's address space, of which **DuckDB** is the example. Warfield anchors this in the *Scalability! But at what COST?* paper (2015) and **Paul Barham**'s epigraph: "You can have a second computer once you've shown you know how to use the first one." He states an explicit caveat: "When a job genuinely needs a thousand machines, it needs a thousand machines." The corpus already holds [[vogels-tech-predictions-2026-allthingsdistributed-2025-11-25]] from the same blog and [[anthropic-self-service-data-analytics-claude-agentic-stack-2026-06-03]] on self-service analytics.
#DuckDB#DuckLabs#AWS acquisition
Andy Warfield · ingénieur du service S3 chez AWS · en billet invité sur *All Things Distributed* ; introduction de Werner Vogels · CTO d'Amazon.
Official product page from **DeepSeek**, published on **August 13, 2026**, **unsigned**, ~450 words, announcing the *developer preview* release of **DeepSeek Harness** (`dsh`) — a coding-agent harness **open source under the MIT license**, whose repository opened the same day. A three-word thesis, repeated in the title and in the repository description: *« Everything is a plugin »*, paired with a second promise, *« Every run is traceable »*. The page states the equation *« AGENT = MODEL + HARNESS »* and lists the pluggable capabilities — *« models, tools, skills, sessions, sandboxes, storage, loops, scheduling, and the UI »*. Four modes ship: **Standard** (full coding agent), **Code** (tools exposed via the *Code Mode SDK*, letting the model compose multi-step operations inside a TypeScript program), **Minimal** (*« two-tool coding agent with persistent bash and str_replace_editor »*, explicitly *« for benchmarking models in a minimal environment »*), and **Creator** (runtime inspection, in-memory plugin testing). The technical substance sits in the repository, not on the page: `docs/architecture.md` states a logging invariant — *« Model-visible means logged. Anything that reaches a model request must be reconstructable from the log, and a runtime invariant asserts it »* — and states that *« there is no privileged core to patch »*. The technical core is not DeepSeek's own: DSH is built on **Cordis** (the `cordiverse` project, a third party), **vendored** into `vendor/` with a manifest and a sync procedure, and the page places the *« Cordis paper »* at the same navigation level as "GitHub" and "Developer docs". Two LLM adapters ship — `dsh-llm-deepseek` and `dsh-llm-pi-ai`, a generic multi-provider adapter. The repository warns in capitals: *« THERE WILL BE COMPATIBILITY-BREAKING CHANGES »*, and `CLAUDE.md` specifies that `SESSION_FORMAT_VERSION` stays at `0` *« with no compatibility promise »*, with backends rejecting old on-disk formats. Timeline: DSH ships on the day **DeepSeek-V4-Pro reaches GA**, three days before a new API pricing schedule takes effect on **August 16, 2026 at 16:00 UTC**, with peak/off-peak rates and an off-peak discount of **−50%**.
#DeepSeek Harness#dsh#agent harness
**DeepSeek** (DeepSeek AI, laboratoire chinois) · en tant qu'institution. Page produit **non signée** : aucun auteur · aucun ingénieur mis en avant · aucun billet de blog ni papier technique associé. Le « nous » n'apparaît qu'une fois · en dernière phrase — *« We look forward to exploring the limits of intelligence with developers worldwide »*. Publiée le **13 août 2026**. La page est rendue en JavaScript : `curl` sur l'URL renvoie **HTTP 202 avec un corps vide** · le texte n'existant qu'après exécution du bundle. Deux documents de politique sont liés en pied de page — *Safe Use Policy* et *Data Processing Statement*.
Benchmark announcement from **Artificial Analysis** (independent AI model evaluation platform, via X/Twitter + model page): **GLM-5.2** from **Z.ai** (Zhipu AI, @Zai_org) becomes **the leading open weights model** and climbs to **#3 in the overall ranking** of **GDPval-AA**, a real-world benchmark for *economically valuable knowledge work* (long-horizon, multi-turn, agentic tasks). GLM-5.2 scores **1524 Elo**, behind only **Claude Fable 5 (1783)** and **Claude Opus 4.8 (1615)**, and on par with **GPT-5.5 (xhigh, 1509)**. It leads the next-best open model (**MiniMax-M3, 1408**) by a wide margin, along with numerous proprietary models: **Gemini 3.5 Flash (1357)**, **Qwen 3.7 Max (1289)**, **Muse Spark (1158)**. The tasks are genuinely agentic: **~31 turns per task** on average across **1,999 matches**. The same ranking holds on the **Artificial Analysis Intelligence Index** (1st among open weights), the **Agentic Index** (#3) and **AA-Briefcase** (#3, ahead of GPT-5.5 xhigh, behind only Fable 5). Notable highlight: an **open weights** model under **MIT license**, **MoE with 753B parameters / 40B active**, **1M-token context**, priced at **$1.40/$4.40 per 1M tokens** input/output, rivals the proprietary frontier on agentic work — a real step forward for open models.