
Cloud-Exiter
Ruohang Feng @Vonng
Stop paying the cloud tax and self-host like a pro — deep dives, cost analyses and incident write-ups.

Harvesting Alibaba-Cloud Wool, Building Your Digital Homestead
Alibaba-Cloud's Double 11 offered a great deal: 2C2G3M ECS servers for ¥99/year, low price for three years. This article shows how to use this decent ECS to build your own digital homestead.

Cloud Computing Mudslide: Deconstructing Public Cloud with Data
Once upon a time, "going to cloud" was almost politically correct in tech circles, but few people use hard data to analyze the trade-offs involved. I'm willing to be this skeptic: let me use hard data …

DHH: Cloud-Exit Saves Over Ten Million, More Than Expected!
DHH migrated their seven cloud applications from AWS to their own hardware. 2024 is the first year of full savings realization. They're delighted to find the savings exceed initial estimates.

FinOps: Endgame Cloud-Exit
At the SACC 2023 FinOps session, I fiercely criticized cloud vendors. This is a transcript of my speech, introducing the ultimate FinOps concept — Cloud-Exit and its implementation path.

Why Isn't Cloud Computing More Profitable Than Sand Mining?
Public cloud margins worse than sand mining—why are pig-butchering schemes losing money? Resource-selling models heading toward price wars, open source alternatives breaking monopoly dreams! Service …

SLA: Placebo or Insurance?
SLA is a marketing tool rather than insurance. In the worst-case scenario, it's an unavoidable loss; at best, it provides emotional comfort.

EBS: Pig Slaughter Scam
The real business model of cloud: "Cheap" EC2/S3 to attract customers, and fleece with "Expensive" EBS/RDS.

Garbage QCloud CDN: From Getting Started to Giving Up?
I originally believed that at least in IaaS fundamentals — storage, compute, and networking — public cloud vendors could still make significant contributions. However, my personal experience with …

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

Paradigm Shift: From Cloud to Local-First
Cloud databases' exorbitant markups—sometimes 10x or more—are undoubtedly a scam for users outside the applicable spectrum. But we can dig deeper: why are public clouds, especially cloud databases, …

Are Cloud Databases an IQ Tax?
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 …

Is DBA Still a Good Job?
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 …

Cloud RDS: From Database Drop to Exit
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.
Harvesting Alibaba-Cloud Wool, Building Your Digital Homestead

Alibaba-Cloud’s Double 11 offered a great deal: 2C/2G/3M ECS servers with a list price of ¥1500/year for just ¥99/year for three years (¥99 annual renewal available until 2026), plus they’re reportedly giving every Chinese university student a free …
Alibaba-Cloud’s Double 11 offered a great deal: 2C/2G/3M ECS servers with a list price of ¥1500/year for just ¥99/year for three years (¥99 annual renewal available until 2026), plus they’re reportedly giving every Chinese university student a free …
Cloud Computing Mudslide: Deconstructing Public Cloud with Data

Once upon a time, “going to cloud” was almost politically correct in tech circles, but few people use hard data to analyze the trade-offs involved. I’m willing to be this skeptic: let me use hard data and personal stories to explain the traps and …
Once upon a time, “going to cloud” was almost politically correct in tech circles, but few people use hard data to analyze the trade-offs involved. I’m willing to be this skeptic: let me use hard data and personal stories to explain the traps and …
DHH: Cloud-Exit Saves Over Ten Million, More Than Expected!

Author: DHH, “Our Cloud-Exit savings will now top ten million over five years” Feng’s Commentary As a cloud exit advocate, I’m gratified to see DHH’s tremendous success in the cloud exit process. The world always rewards leaders with the wisdom to …
Author: DHH, “Our Cloud-Exit savings will now top ten million over five years” Feng’s Commentary As a cloud exit advocate, I’m gratified to see DHH’s tremendous success in the cloud exit process. The world always rewards leaders with the wisdom to …
FinOps: Endgame Cloud-Exit

At the SACC 2023 FinOps session, I fiercely criticized cloud vendors. This is a transcript of my speech, introducing the ultimate FinOps concept — Cloud-Exit and its best practice. TL; DR Misaligned FinOps Focus: Total Cost = Unit Price x Quantity. …
At the SACC 2023 FinOps session, I fiercely criticized cloud vendors. This is a transcript of my speech, introducing the ultimate FinOps concept — Cloud-Exit and its best practice. TL; DR Misaligned FinOps Focus: Total Cost = Unit Price x Quantity. …
Why Isn't Cloud Computing More Profitable Than Sand Mining?

Public cloud margins worse than sand mining, Why are pig-butchering schemes losing money? Resource-selling models heading toward price wars, Open source alternatives breaking monopoly dreams! Service competitiveness gradually neutralized, Where is …
Public cloud margins worse than sand mining, Why are pig-butchering schemes losing money? Resource-selling models heading toward price wars, Open source alternatives breaking monopoly dreams! Service competitiveness gradually neutralized, Where is …
SLA: Placebo or Insurance?

In the world of cloud computing, Service Level Agreements (SLAs) are seen as a cloud provider’s commitment to the quality of its services. However, a closer examination of these SLAs reveals that they might not offer the safety net one might expect: …
In the world of cloud computing, Service Level Agreements (SLAs) are seen as a cloud provider’s commitment to the quality of its services. However, a closer examination of these SLAs reveals that they might not offer the safety net one might expect: …
EBS: Pig Slaughter Scam

We already answer the question: Is RDS an Idiot Tax?. But when compared to the hundredfold markup of public cloud block storage, cloud databases seem almost reasonable. This article uses real data to reveal the true business model of public cloud: …
We already answer the question: Is RDS an Idiot Tax?. But when compared to the hundredfold markup of public cloud block storage, cloud databases seem almost reasonable. This article uses real data to reveal the true business model of public cloud: …
Garbage QCloud CDN: From Getting Started to Giving Up?

While Swedish Ma and I disagree sharply on cloud databases VS DBA issues, we can reach consensus on one point: domestic public cloud vendors really make garbage. In Ma’s words: “Alibaba-Cloud is a legitimate cloud with poor engineering quality, but …
While Swedish Ma and I disagree sharply on cloud databases VS DBA issues, we can reach consensus on one point: domestic public cloud vendors really make garbage. In Ma’s words: “Alibaba-Cloud is a legitimate cloud with poor engineering quality, but …
Refuting "Why You Still Shouldn't Hire a DBA"

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 …
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 …
Paradigm Shift: From Cloud to Local-First

In the previous article, we used data to answer “Are Cloud Databases an Intelligence Tax?"—the exorbitant markups of several to over ten times are undoubtedly a scam for users outside the applicable spectrum. But we can dig deeper: why are public …
In the previous article, we used data to answer “Are Cloud Databases an Intelligence Tax?"—the exorbitant markups of several to over ten times are undoubtedly a scam for users outside the applicable spectrum. But we can dig deeper: why are public …
Are Cloud Databases an IQ Tax?

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? Recently, an article by DHH, co-founder of Basecamp & HEY, caused a stir【1,2】. The …
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? Recently, an article by DHH, co-founder of Basecamp & HEY, caused a stir【1,2】. The …
Is DBA Still a Good Job?

Ant Financial had a self-deprecating joke: besides regulation, only DBAs could bring down Alipay. In the digital age, data is the core asset of many enterprises, especially for internet/software service companies. The people responsible for …
Ant Financial had a self-deprecating joke: besides regulation, only DBAs could bring down Alipay. In the digital age, data is the core asset of many enterprises, especially for internet/software service companies. The people responsible for …
Cloud RDS: From Database Drop to Exit

In my previous article “Is DBA Still a Good Job”, I mentioned: Although DBA as a profession is declining, who knows if DBAs might become trendy again after several terrifying large-scale cloud database failures. Well, I recently witnessed a live …
In my previous article “Is DBA Still a Good Job”, I mentioned: Although DBA as a profession is declining, who knows if DBAs might become trendy again after several terrifying large-scale cloud database failures. Well, I recently witnessed a live …
