Meerkat ☁️, 4 Body Problem 🪐, Bun to Rust 🦀

Cloudflare Meerkat is an experimental distributed consensus service powered by the QuePaxa algorithm, which allows all replicas to perform writes ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

Sign Up |Advertise|View Online TLDR TLDR DevOps 2026-07-10 📱 News & Trends Making AI search smarter (7 minute read) Cloudflare announced initiatives to make AI search more efficient using content freshness signals that reduce unnecessary crawling and improve results, while evolving Pay Per Crawl into Pay Per Use to compensate creators based on how their content is used in AI search through experimental partnerships and new analytics. Announcing etcd v3.7.0 (6 minute read) etcd v3.7.0 introduces the highly anticipated RangeStream feature, which allows large result sets to be sent in chunks rather than buffered entirely, reducing latency and memory usage for both servers and clients. The release also delivers significant performance improvements, including reduced CPU usage for Kubernetes control planes, completes a major protobuf library overhaul, and removes the last dependencies on the legacy v2 store after a multi-year effort spanning releases v3.4 through v3.7. Introducing Meerkat- an experiment in global consensus (14 minute read) Cloudflare Meerkat is an experimental distributed consensus service powered by the QuePaxa algorithm, which allows all replicas to perform writes simultaneously without relying on a single leader or timeouts—addressing availability issues the company has experienced with Raft-based systems across its 330+ global data centers. The system, which will be the first industrial deployment of QuePaxa at global scale, is designed to manage small pieces of control-plane state like database leadership and resource placement while maintaining strong consistency guarantees even when servers, data centers, or network links fail. 🚀 Opinions & Tutorials Make the most of shift-based schedules (6 minute read) PagerDuty's Shift-Based Schedules provide flexible on-call management for complex coverage patterns, including weekday-only rotations, alternating weeks, overlapping team schedules, and temporary unavailability. New features like Custom Schedules and the Unassigned user simplify creating tailored rotations without complicated layered schedules. How to achieve pruning when querying by non-partitioned columns in PostgreSQL (12 minute read) PostgreSQL can prune partitions on non-partition-key filters when check constraints encode guaranteed relationships in the data. An events table partitioned by timestamp can still avoid scanning every partition for session_id queries by adding per-partition session_id range constraints, and multi-range constraints can handle outlier sessions that span partitions without losing pruning for the common case. 🧑‍💻 Resources & Tools Inner loop validation that keeps up with your agents (Sponsor) AI writes it. Chunk validates it. CI stays clean. Chunk runs 27-second microbuilds before commits reach your pipeline, catching agent-generated failures in the inner loop where they're cheap to fix. 78% faster feedback, built for the pace of agentic development. By CircleCI Try Chunk Free Desktop Commander (GitHub Repo) Desktop Commander, an open-source Model Context Protocol (MCP) server, lets Claude Desktop users execute terminal commands and manage files directly through their $20/month Pro subscription without additional API costs. The tool offers six installation methods, including automatic updates via npx and Smithery, features Docker containerization for complete system isolation, and works across multiple MCP-compatible clients like Cursor, VS Code, and Windsurf. Ruflo (GitHub Repo) Ruflo (formerly Claude Flow) is an open-source "agent meta-harness" that wraps around Claude Code and Codex with 100+ specialized agents, coordinated swarms, self-learning memory, and federated communication that lets AI agents securely collaborate across different machines and organizations. The MIT-licensed tool can be installed via a single `npx ruflo init` command and includes a web UI for multi-model chat, a GOAP (Goal-Oriented Action Planning) interface at goal.ruv.io, and an enterprise-grade federation system that uses mTLS and ed25519 verification to enable cross-machine agent coordination with automatic PII stripping and trust management. 🎁 Miscellaneous The 4-body problem of SRE: Why autonomous operations depend on context (5 minute read) AI-driven SRE adoption is limited less by model capability than by fragmented operational context across code, infrastructure state, runtime signals, and institutional knowledge. Reliable autonomous operations require a unified, versioned knowledge graph and auditable decision traces so agents can reason accurately, act safely, and earn trust in production environments. Bun is being rewritten in Rust (21 minute read) Bun is rewriting large parts of its runtime from Zig to Rust while keeping Zig for the JavaScriptCore bindings that require low-level C++ interop. The team says Rust gives them stronger ecosystem support, better tooling, and safer concurrency for high-level runtime code, while preserving Zig where it remains useful for systems-level integration with WebKit's JavaScript engine. ⚡ Quick Links The fastest (and free) way to track trending vulnerabilities (Sponsor) Tired of finding out about critical vulns from X threads? We built cvemon so you can see which CVEs are gaining traction instantly. Doomscrolling: cured. Check it out AWS Secrets Manager adds managed external secrets support for Paddle and GitLab (2 minute read) AWS Secrets Manager now supports managed external secret rotation for Paddle API keys and GitLab personal, group, and project access tokens, enabling automatic credential rotation through native third-party APIs. Scale Faster with Managed Weaviate: Now in Public Preview on DigitalOcean (4 minute read) DigitalOcean launched Managed Weaviate in public preview, offering the open-source vector database as a fully managed service starting at $20/month with flat pricing and no per-query or per-dimension fees. Save the Address, Save the Cloud: A Hands-on KubeVirt Live Migration Workshop (4 minute read) Calico v3.32.0 now enables live migration of virtual machines in Kubernetes clusters without network disruptions, solving the longstanding challenge of preserving a VM's IP address and identity during migration between nodes. Love TLDR? Tell your friends and get rewards! Share your referral link below with friends to get free TLDR swag! https://refer.tldr.tech/3b85ceef/10 Track your referrals here. Want to advertise in TLDR? 📰 If your company is interested in reaching an audience of devops professionals and decision makers, you may want to advertise with us. Want to work at TLDR? 💼 Apply here, create your own role or send a friend's resume to jobs@tldr.tech and get $1k if we hire them! TLDR is one of Inc.'s Best Bootstrapped businesses of 2025. If you have any comments or feedback, just respond to this email! Thanks for reading, Kunal Desai & Martin Hauskrecht Manage your subscriptions to our other newsletters on tech, startups, and programming. Or if TLDR DevOps isn't for you, please unsubscribe.