Step Functions Distributed Map – AWS's Newest Serverless Solution for Large-Scale Parallel Data Processing — AWS Step Functions has added a distributed map state to allow running the same processing steps for multiple entries in a dataset in parallel. The existing map state supports up to 40 parallel iterations but this new distributed variety supports up to 10,000 executions in parallel and has a lot more flexibility if you have 100,000s of documents on S3 to process in parallel, say.

Sébastien Stormacq (AWS)

Neon's Serverless Postgres Platform Now Live to All — Invite-gate be gone! Neon is an interesting new entrant (first unveiled back in June) to the world of Postgres platforms with a split storage and compute approach that allows them to offer elasticity of scale and a serverless style experience. As with the MySQL-oriented PlanetScale, branching is also a headline feature. One to keep an eye on. → See also a new serverless PostgreSQL driver for connecting to Neon databases from Cloudflare Workers and other environments supporting WebSockets.

Neon

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The Hidden Costs of Serverless Observability — Observability is critical to running reliable, high performing serverless applications but it can come with hidden costs.

Steven Coochin

'I Don't Know What Serverless Is Anymore' — “I used to have a firm grasp on what serverless was, but that seems to have been shaken up recently”. The serverless identity crisis continues.

Allen Helton

Top 12 Serverless Announcements from re:Invent 2022 — Some relevant announcements include Lambda functions now having the option of a Node 18.x runtime and the release of EventBridge Pipes.

Maciej Radzikowski

A Variety of re:Invent 2022 Serverless Takeaways — As above, following all the announcements from re:Invent last week, Ran goes over what they found exciting from a Serverless perspective. Here's another round-up from Greg Bulmash at Lumigo.

Ran Isenberg

Azure Functions: Really Serverless, or Just Server-Some? — Microsoft offers several ways to host Azure Functions, but only a few of those offerings are fully ‘serverless’, with many being what Amy describes as ‘server-some’.

Amy Coughlin

A Practical Guide to Testing AWS Step Functions — Yan outlines a strategy to build production-ready serverless apps on AWS.

Yan Cui