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Curated view of this subject:Topic: Platform59
3

Migrating Counter Service storage: Design choices and learnings (opens on the source site)

Introduction Counter Service is used across Grab’s anti-fraud platform to answer time-windowed count questions, such as recent ride requests by a user or failed payment attempts on a card. The service handles tens of thousands of queries per second (QPS) with about a billion requests per day, while maintaining strict requirements around latency and reliability to support real-time fraud rule evaluation. For most of its life, Counter Service was backed by a wide-column database that served the workload reliably as the service scaled. As part of a broader infrastructure review mandated at an…

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Palana (Part 2): Architecting isolation, identity, and auditability for AI agents (opens on the source site)

Introduction In Part 1, we introduced Palana, Grab’s Kubernetes-native secure execution platform for autonomous AI agents. We discussed the underlying need for isolated environments and covered its core design principles: treating isolation as the unit of trust, keeping credentials out of agent hands, and mediating all network access. In this second part, we’ll dive under the hood into Palana’s architecture, look at the agent lifecycle, and share the key lessons we learned from putting this system into production. Architecture overview The core request path looks like this: Figure 1. Palana…

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Coding Is No Longer the Constraint: Scaling Developer Experience to Teams and Agents at Spotify (opens on the source site)

At Code with Claude, Spotify’s chief architect shared how we make both teams and AI agents more effective. The post Coding Is No Longer the Constraint: Scaling Developer Experience to Teams and Agents at Spotify appeared first on Spotify Engineering.

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Just Because We Can Build It, Should We? (opens on the source site)

Expedia Group Technology — PlatformHow AI changed the build vs. buy equation, and why discipline matters more than everPhoto by Ali Kazal on UnsplashAgentic coding tools and AI-native workflows have changed what’s possible for platform engineering teams. I lead Platform Engineering at Expedia Group™, one of the world’s largest travel technology companies. We power brands like Expedia®, Hotels.com®, Vrbo®, Orbitz®, and Travelocity®. My organization builds the technology that all of these brands and their partners run on: APIs, data and AI services, developer tools, CI/CD infrastructure, and…

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