RDS on Vonng

Cloud Database: Michelin Prices for Cafeteria Pre-made Meals

rh@vonng.com (Ruohang Feng) — Sun, 06 Oct 2024 00:00:00 +0000

The paradigm shift brought by RDS, whether cloud databases are overpriced cafeteria meals. Quality, security, efficiency, and cost analysis, cloud exit database self-building: how to implement in practice!

Amateur Hour Opera: Alibaba-Cloud PostgreSQL Disaster Chronicle

rh@vonng.com (Ruohang Feng) — Mon, 19 Aug 2024 00:00:00 +0000

A customer experienced an outrageous cascade of failures on cloud database last week: a high-availability PG RDS cluster went down completely - both primary and replica servers - after attempting a simple memory expansion, troubleshooting until dawn. Poor recommendations abounded during the incident, and the postmortem was equally perfunctory. I share this case study here for reference and review.

Will DBAs Be Eliminated by Cloud?

rh@vonng.com (Ruohang Feng) — Fri, 02 Feb 2024 00:00:00 +0000

Two days ago, the ninth episode of Open-Source Talks had the theme “Will DBAs Be Eliminated by Cloud?” As the host, I restrained myself from jumping into the debate throughout, so I’m writing this article to discuss this question: Will DBAs be eliminated by cloud?

Refuting "Why You Still Shouldn't Hire a DBA"

rh@vonng.com (Ruohang Feng) — Wed, 01 Mar 2023 00:00:00 +0000

Guo Degang has a comedy routine: “Say I tell a rocket scientist, your rocket is no good, the fuel is wrong. I think it should burn wood, better yet coal, and it has to be premium coal, not washed coal. If that scientist takes me seriously, he loses.”

Are Cloud Databases an IQ Tax?

rh@vonng.com (Ruohang Feng) — Mon, 30 Jan 2023 00:00:00 +0000

Winter is coming, tech giants are laying off workers entering cost-reduction mode. Can cloud databases, the number one public cloud cash cow, still tell their story? The money you spend on cloud databases for one year is enough to buy several or even dozens of higher-performing servers. Are you paying an IQ tax by using cloud databases?

Cloud RDS: From Database Drop to Exit

rh@vonng.com (Ruohang Feng) — Tue, 10 May 2022 00:00:00 +0000

I recently witnessed a live cloud database drop-and-run incident. This article discusses how to handle accidentally deleted data when using PostgreSQL in production environments.

Is DBA Still a Good Job?

rh@vonng.com (Ruohang Feng) — Tue, 10 May 2022 00:00:00 +0000

Ant Financial had a self-deprecating joke: besides regulation, only DBAs could bring down Alipay. Although DBA sounds like a profession with glorious history and dim prospects, who knows if it might become trendy again after a few terrifying major cloud database incidents?

Ready-to-Use PostgreSQL Distribution: Pigsty

rh@vonng.com (Ruohang Feng) — Mon, 24 May 2021 00:00:00 +0000

Yesterday I gave a live presentation in the PostgreSQL Chinese community, introducing the open-source PostgreSQL full-stack solution — Pigsty