Calvin Torra
calvintorra.bsky.social
Calvin Torra
@calvintorra.bsky.social
AWS Serverless | Journey to Bootstrapped & Jacked | Dad x2 | https://youtube.com/@calvintorra
Struggling with slow writes on your RDS instance? 💰 💸

Many rely on multi-AZ setups, but still face bottlenecks when it comes to write performance.

Here's a little-known secret: bumping your max_wal_size from 2GB to 20GB can significantly speed up inserts.

But beware...
February 28, 2025 at 1:33 PM
RDS Cost Optimisation 💵 💰🤑

Your database can handle queries - until it can't.

PostgreSQL starts choking at 100-300 connections.

When a failover hits, your app gets slammed with reconnect requests.

RDS Proxy keeps connections alive, so...
calvintorra.com/hire-me/rds-...
Free AWS RDS Cost Saving Guide
calvintorra.com
February 27, 2025 at 10:25 AM
RDS Failover Gotchas 💰:

Failover in AWS RDS takes ~70s, but full recovery can stretch to 4 minutes due to a cold cache.

- After a restart, shared buffers are empty, slowing queries.....
February 25, 2025 at 10:52 AM
RDS Database Cost Optimisation 💵 💰🤑

T family → best for low-throughput workloads or instances that sit idle most of the day.

M family → balanced compute/memory for general workloads.

R family → more ram per vCPU, great for memory-intensive apps....
February 24, 2025 at 11:26 AM
Reposted by Calvin Torra
⭐ Issue 21 of the #Serverless Advocate Newsletter is out now! ⭐

serverlessadvocate.substack.com/p/21-product...

This week, our serverless expert is #AWS Community Builder @ziedbentahar.bsky.social, and our spotlight falls on @danilop.bsky.social 👏

Please share & subscribe to the newsletter!🔔
#21 Productivity 🧠
This week, our expert is AWS Community Builder Zied Ben Tahar, our spotlight falls on AWS Chief Evangelist (EMEA) Danilo Poccia, we look at the latest AWS service releases, blog posts, news & more!
serverlessadvocate.substack.com
January 24, 2025 at 1:28 PM
AWS Lambda: Hate cold starts?

You can enable provisioned concurrency to keep execution contexts warm.

You'll pay $0.0000041667 per GB-second for the privilege, used or not - but zero cold starts if provisioned > required contexts.

Your latency-sensitive apps will thank you 🚀
January 20, 2025 at 12:49 PM
Most MVPs Fail - Why... Founders overload their MVPs with features, delay validation and waste resources.

Focus on rapid iteration, market feedback, and distribution.

3 tips:
- Solve one problem.
- Iterate with real user insights.
- Launch fast, pivot faster.

calvintorra.com/blog/saas/wh...
Why Most MVPs Fail and How an 8-Week Accelerator Guarantees Success
Most entrepreneurs romanticize the product development journey, believing passion and hard work guarantee success. The harsh reality? Most MVPs (Minimum Viable Products) die before they ever reach mea...
calvintorra.com
December 2, 2024 at 9:00 AM
Interesting numbers
newsletter.eng-leadership.com/p/from-laid-...

As someone recently laid off and looking for a new role I've also considered tracking applications, but the amount of ghosting makes it feel meh.
newsletter.eng-leadership.com
November 26, 2024 at 9:41 AM
Keep getting asked how to view console.logs in AWS Lambda functions.

calvintorra.com/blog/aws/vie...
Viewing console.log's of a lambda function
How to view console.logs from your aws lambda function.
calvintorra.com
October 28, 2024 at 9:32 AM
Let’s hope this doesn’t turn into another dumpster fire
October 27, 2024 at 10:54 PM