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<div style="display: none; max-height: 0px; overflow: hidden;">A major AWS outage on October 20 in the US-East-1 region disrupted hundreds of internet services, including Snapchat, Reddit, Fortnite, and Venmo </div>
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<h1><strong>TLDR DevOps <span id="date">2025-10-22</span></strong></h1>
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<strong>8 API gateway patterns for distributed development, microservices, AI, and more (Sponsor)</strong>
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API gateways used to be a monolith that sat between the big scary internet and your production services - but this model doesn't really fit the way software is built today.<p></p><p>This <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fngrok.com%2Fblog-post%2Fapi-gateway-shapes-patterns-2025%3Futm_source=tldrdevops%26utm_medium=paid-community%26utm_campaign=apigateway-fy26q3-evergreen%26utm_content=blog_api-gateway-shapes/3/0100019a0b9ee20d-c22b6358-c883-4e9f-9aa2-14bc1362103d-000000/43mdNM6jsygI2IqW0TxDxZs2aTUG-4kGhndebOmvkpw=428" rel="noopener noreferrer nofollow" target="_blank"><span>blog by ngrok</span></a> looks at the "shapes" of API gateways that are more relevant today - including building with agents, exposing ephemeral workloads, self-hosting a PaaS, and more. <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fngrok.com%2Fblog-post%2Fapi-gateway-shapes-patterns-2025%3Futm_source=tldrdevops%26utm_medium=paid-community%26utm_campaign=apigateway-fy26q3-evergreen%26utm_content=blog_api-gateway-shapes/4/0100019a0b9ee20d-c22b6358-c883-4e9f-9aa2-14bc1362103d-000000/1WnSEiS5HuVHtz148jQBt2OUoL6uGnKWnGRaoZrz5D4=428" rel="noopener noreferrer nofollow" target="_blank"><span>See all 8 patterns here.</span></a></p>
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<strong>Massive AWS Outage Disrupts Internet Services Worldwide on October 20, 2025 (1 minute read)</strong>
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A major AWS outage on October 20 in the US-East-1 region disrupted hundreds of internet services, including Snapchat, Reddit, Fortnite, and Venmo. The outage, caused by DNS resolution failures for the DynamoDB service endpoints, underscores the importance of multi-region architecture and resilient cloud design.
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<strong>Announcing vector search for Amazon ElastiCache (1 minute read)</strong>
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Amazon has announced the general availability of vector search for ElastiCache, enabling customers to index, search, and update billions of vector embeddings from major AI providers with microsecond latency and up to 99% recall. The feature supports use cases like semantic caching for LLMs, RAG-based systems, recommendation engines, and anomaly detection, and is available on Valkey 8.2 clusters.
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<strong>Jenkins' Flexibility is its Greatest Strength and its Achilles Heel (7 minute read)</strong>
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Jenkins' challenges in enterprises stem from poor governance rather than flaws in the tool itself, as unchecked plugin sprawl, inconsistent configurations, and weak access controls create fragility and maintenance burdens. With centralized governance, automation, and compliance frameworks like those provided by CloudBees, Jenkins becomes a scalable, secure, and enterprise-grade CI/CD solution that enables faster, more reliable software delivery.
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<strong>Salesforce Commerce Cloud migrates from Self-hosted Prometheus to Amazon Managed Service for Prometheus (8 minute read)</strong>
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Salesforce Commerce Cloud migrated from a self-hosted Prometheus and Thanos stack to Amazon Managed Service for Prometheus, achieving a 40% reduction in AWS costs and eliminating monitoring-related maintenance. The new setup improves scalability, reliability, and cross-cluster visibility.
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A deep dive into the BPF LPM trie, a data structure crucial for network packet routing, revealed performance bottlenecks when storing millions of entries, such as entry lookup times taking hundreds of milliseconds and freeing maps locking up a CPU for over 10 seconds. Benchmarks highlighted that freeing a BPF LPM trie with 10K entries can cause soft lockup messages in production, with throughput decreasing to around 1.5 million ops/sec at 1 million entries due to L1 dcache and dTLB miss rates.
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Learn about the evolution of platform engineering, practical AI use cases, and required skills for modern platform engineers. <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.env0.com%2Flp%2F2025-q4-platform-engineering-3-0%3Futm_source=thirdparty%26utm_medium=email%26utm_campaign=Q4-2025-TLDR-DevOps%26utm_content=email_b/2/0100019a0b9ee20d-c22b6358-c883-4e9f-9aa2-14bc1362103d-000000/cZ0p4TCG894cDCdGo7c5GMxXxvIHaeJaW9bBpY_qZ8Q=428" rel="noopener noreferrer nofollow" target="_blank"><span>Attend the webinar</span></a> for a chance to win a collector's edition <strong>LEGO Technic Lamborghini Sián FKP 37</strong>. Looking for better ways to provision infrastructure at scale? <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.env0.com%2Fdemo-request%3Futm_source=thirdparty%26utm_medium=email%26utm_campaign=Q4-2025-TLDR-DevOps%26utm_content=email_b/1/0100019a0b9ee20d-c22b6358-c883-4e9f-9aa2-14bc1362103d-000000/BJXv3TRZb5xPRGLhXa4mPcsNLehcaa-qNwmHiAmIGoA=428" rel="noopener noreferrer nofollow" target="_blank"><span>Book a demo of env zero</span></a>
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<strong>Coral NPU (GitHub Repo)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Google Research designed the Coral NPU, an open-source hardware accelerator for machine learning inferencing in low-power wearable devices, and made it freely available. Based on the 32-bit RISC-V ISA, the Coral NPU contains matrix, vector (SIMD), and scalar processor components.
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<strong>WinBoat (GitHub Repo)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
WinBoat, an Electron app currently in beta, enables users to run Windows applications on Linux using a containerized approach with a Windows VM inside a Docker container. FreeRDP is used with Windows' RemoteApp protocol for compositing applications as native OS-level windows.
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<div style="text-align: center;"><span style="font-size: 36px;">🎁</span></div></div>
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<div style="text-align: center;"><strong><h1>Miscellaneous</h1></strong></div>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Foctopus.com%2Fblog%2Fleveling-up-deployment-pipelines%3Futm_source=tldrdevops/1/0100019a0b9ee20d-c22b6358-c883-4e9f-9aa2-14bc1362103d-000000/wDpfZ2pW00TUNBGh7sIydNqu0AQkDH2b0VpVhZr045I=428">
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<strong>Leveling up your deployment pipelines (7 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Organizations typically evolve their internal developer platforms through three stages: deployment, secure, and DevOps pipelines, each adding automation, security, and productivity features. This progression forms a practical maturity model where teams first automate delivery, then integrate security, and finally enhance developer experience through documentation, infrastructure automation, and one-click setup.
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<strong>GitHub Copilot CLI: How to get started (6 minute read)</strong>
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GitHub Copilot CLI brings AI assistance directly to the terminal, allowing developers to clone repositories, debug, manage dependencies, and even open pull requests without leaving the command line. It integrates seamlessly with GitHub accounts, supports secure command approvals, and can be extended with MCP servers to fit custom workflows.
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<strong>The LinkedIn Generative AI Application Tech Stack: Extending to Build AI Agents (10 minute read)</strong>
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LinkedIn's generative AI application tech stack was updated to improve AI agents by enabling them to think, plan, and act with users, with the Hiring Assistant being globally available in English by the end of September. Key to this development were defining agents through gRPC service schema definitions and leveraging LinkedIn's messaging system for multi-agent orchestration. Agent interactions were also engineered to be seamless, and a hybrid observability strategy was adopted for agent development.
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<strong>How PaaS is changing from infrastructure-focused to developer-centric (Sponsor)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
PaaS used to focus on servers and deployment - but new platforms enable developer creativity. Explore how modern PaaS makes it simple to build and scale. <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.ondeva.com%2Fpaas-for-builders%3Futm_source=newsletter_ads%26utm_campaign=tldr%26utm_content=wed_twentyone%26utm_term=l_cta/1/0100019a0b9ee20d-c22b6358-c883-4e9f-9aa2-14bc1362103d-000000/W3e_0dAlNe8ClZvgkI9BKjfuhxKYrslBusQiBAjHk8k=428" rel="noopener noreferrer nofollow" target="_blank"><span>See the evolution of PaaS →</span></a>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.techielass.com%2Fautomate-azure-sftp-with-terraform%2F%3Futm_source=tldrdevops/1/0100019a0b9ee20d-c22b6358-c883-4e9f-9aa2-14bc1362103d-000000/qcV34L6jd0dxyEba5JxWDxd8nCXp8qvlDIBO5fsexcI=428">
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<strong>Automating Azure SFTP deployment with Terraform (3 minute read)</strong>
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This tutorial explains how to automate Azure SFTP deployment using Terraform for consistent, version-controlled infrastructure setup across environments.
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<strong>AWS Outage and Why O11y is Non Negotiable (5 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
A 15-hour AWS outage in the North Virginia region (us-east-1) on October 19 and 20 impacted over 140 services due to a DNS breakdown within the DynamoDB API endpoint.
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fjustoffbyone.com%2Fposts%2Fmeasuring-engineering-productivity%2F%3Futm_source=tldrdevops/1/0100019a0b9ee20d-c22b6358-c883-4e9f-9aa2-14bc1362103d-000000/G2NpE06E_bXG-lcQ2_2T6XRJwoXGYvrK6jX4p7pcRtI=428">
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<strong>Measuring Engineering Productivity (8 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Engineering productivity can be measured effectively when done transparently and with minimal burden on engineers.
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