Top all-time · #3002
Jeremy Daly
Personal blog · jeremydaly.comprogrammingsystems
Jeremy Daly writes JeremyDaly.com, a personal blog at jeremydaly.com about programming and systems. Since 2018, 26 different Hacker News readers have linked it 39 times, most often “Aurora Serverless Data API: A First Look”. It is still writing: the last post was on 2026-09-30, and you can follow it by feed.
Too few sampled comments (9) to say how often HN recommends it.?
Why HN links it
HN readers link Jeremy Daly's posts on AWS Lambda and Aurora Serverless as sources on Data API performance and ACU capacity and pricing. One commenter recommends his Off by None newsletter.
Summarised by Claude from a sample of 9 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
AWS Serverless Hero, founder, and product leader building AI-native platforms and cloud-scale systems for more than 25 years.
Most-linked posts?
- Aurora Serverless Data API: A First Look6 people · 7 mentions · first linked 2018-11-22
- Managing MySQL at Serverless Scale3 people · 3 mentions · first linked 2019-02-18
- Aurora Serverless: The Good, the Bad and the Scalable3 people · 3 mentions · first linked 2018-11-27
- /reuse-database-connections-aws-lambda/2 people · 2 mentions · first linked 2020-07-30
- Serverless Microservice Patterns for AWS2 people · 2 mentions · first linked 2018-08-31
- An Introduction to Serverless Microservices2 people · 2 mentions · first linked 2018-09-26
- Finding my rhythm again2 people · 2 mentions · first linked 2025-10-21
- The Serverless Reference Architectures Project2 people · 2 mentions · first linked 2020-07-02
What Hacker News says?
You indeed can, but it's beta (us-east-1 only at the moment) and leaves a lot to be desired ( https://www.jeremydaly.com/aurora-serverless-data-api-a-firs... )
Comment linking /aurora-serverless-data-api-a-first-look/
on “New for AWS Lambda: Use Any Programming Language and Share Common Components”Submitted Finding my rhythm again as a story · 67 points
HN discussionDeclare your connection outside of your handler function - this post is from 2017 but it shows it clearly: https://www.jeremydaly.com/reuse-database-connections-aws-la... It will get re-used across lambda invocations as long as the instance of it isn't killed which typically happens after a few minutes
Comment linking /reuse-database-connections-aws-lambda/
on “How meta built the infrastructure for Threads”Submitted Serverless Microservice Patterns for AWS as a story · 23 points
HN discussionIf you're into serverless stuff and you like this personal feel, you might like Jeremy Daly's Off by None: https://www.jeremydaly.com/newsletter-issue-35/ .. I think it takes that chatty newsletter approach quite far.
Comment linking /newsletter-issue-35/
on “Racket News – Issue 7”Submitted Aurora Serverless Data API: A First Look as a story · 5 points
HN discussionIt’s interesting that lambda still requires a nosql db for good perf. The example they link to from this article uses dynamodb. Not a great choice for a general purpose web app, where sql would be a better choice for many use cases. https://github.com/serverless/components/tree/master/templat... It’s cool that aws has the data api for lambda to connect to aurora serverless. But then you’re stuck with MySQL instead o…
Comment linking /aurora-serverless-data-api-a-first-look/
on “Serverless Components”Submitted Serverless Microservice Patterns for AWS as a story · 5 points
HN discussionThe beta version seemed like it had pretty poor performance: https://www.jeremydaly.com/aurora-serverless-data-api-a-firs... Does anyone have performance feedback now that it is no longer beta?
Comment linking /aurora-serverless-data-api-a-first-look/
on “Data API for Amazon Aurora Serverless”Submitted Is learning serverless that hard? as a story · 4 points
HN discussionIt's fairly difficult to find actual details on ACUs and how it all works, the best I found after spending significant time looking was things like: https://www.jeremydaly.com/aurora-serverless-the-good-the-ba... According to AWS you're paying for chunks of CPU and memory on a per second basis: https://aws.amazon.com/rds/aurora/faqs/ It's hard to imagine that the CPU capacity is measured in anything other than CPU c…
Comment linking /aurora-serverless-the-good-the-bad-and-the-scalable/
on “PlanetScale Insights: Advanced query monitoring”Submitted 15 Key Takeaways from the Serverless Talk at AWS Startup Day as a story · 4 points
HN discussionIt has a hard limit on max_connections based on the "Aurora Capacity Unit", e.g. for 16 ACU's max_connections it is 2,000. We see spikes of 10x to 100x concurrent users in a matter of minutes (think hug of death style). And although our queries run fast and we see limited increase of CPU on the cluster we almost instantly hit the connection limit. https://www.jeremydaly.com/aurora-serverless-the-good-the-ba...
Comment linking /aurora-serverless-the-good-the-bad-and-the-scalable/
on “Amazon RDS Proxy for AWS Lambda”Submitted The Storage First Pattern (2020) as a story · 3 points
HN discussionI was actually at an AWS event and they mentioned that, so I searched and found this article... https://www.jeremydaly.com/aurora-serverless-data-api-a-firs... ...that says it’s REALLY slow.
Comment linking /aurora-serverless-data-api-a-first-look/
on “Best Practices for AWS Lambda Container Reuse”Submitted Serverless Reference Architectures as a story · 3 points
HN discussionLambda may not be a magic reliability wand, you definitely still need to manage downstream pressure. That said: > The code creates a MySQL connection during each invocation. This is not a correct implementation for Lambda. You shouldn't recreate a connection on every invocation. Instead, create your connection outside of your handler code. Then each invocation of a warm container will re-use the same handler. (1) Th…
Comment linking /reuse-database-connections-aws-lambda/
on “AWS Lambda Is Not a Magic Reliability Wand”Submitted Serverless Platform Engineering as a story · 2 points
HN discussionSubmitted The Serverless Reference Architectures Project as a story · 2 points
HN discussionSubmitted The Serverless Reference Architectures Project as a story · 2 points
HN discussionSubmitted Managing MySQL at Serverless Scale as a story · 2 points
HN discussionSubmitted The Dynamic Composer (An AWS Serverless Pattern) as a story · 2 points
HN discussionSubmitted Managing MySQL at Serverless Scale as a story · 2 points
HN discussionSubmitted Managing MySQL at Serverless Scale as a story · 2 points
HN discussionSubmitted Aurora Serverless: The Good, the Bad and the Scalable as a story · 2 points
HN discussionSubmitted Aurora Serverless Data API: A First Look as a story · 2 points
HN discussionSubmitted An Introduction to Serverless Microservices – Jeremy Daly as a story · 2 points
HN discussionSubmitted An Introduction to Serverless Microservices as a story · 2 points
HN discussionSubmitted The Tale of Two Teams as a story · 2 points
HN discussionSubmitted Serverless Consumers with Lambda and SQS Triggers as a story · 2 points
HN discussion
