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Stateless MCP Removes Session Affinity Requirements for AWS Server Deployments

Leela Kumili — Fri, 25 Sep 2026 12:58:00 GMT

AWS details how the latest Model Context Protocol specification removes protocol-level sessions, sticky-session requirements, and session storage for remote MCP servers. The change enables independent request routing and simpler horizontal scaling while shifting application state, retries, observability, and idempotency concerns to other layers.

By Leela Kumili

Uber Redesigns M3DB Sharding with Subclusters to Limit Failure Impact

Leela Kumili — Mon, 21 Sep 2026 14:37:00 GMT

Uber has redesigned shard placement in M3DB with fixed size subclusters to limit the impact of node failures, maintenance, and cluster scaling. The approach bounds shard dependencies, preserves replica isolation, and uses a greedy algorithm to select shard migrations while avoiding a separate rebalancing pass and unnecessary data movement.

By Leela Kumili