
Weekly column simplifying databases, system design, architecture, and engineering careers with easy explanations, valuable insights, and expert advice.
| Platform | Pricing | Only free issues | Publishes | Weekly | |
|---|---|---|---|---|---|
| Issues | 46 | Founded | 6 years ago | Last Issue | 2 months ago |
| Active | |||||

What’s the right approach for storing a file? Should you store it in a database or in a blob storage service like S3? 🤔
A few years ago, I ran into this exact question while designing a file upload service. After weighing the trade-offs,...
In the last article, we learned how connection pools play a pivotal role in managing database connections.
But, do they fully safeguard a database from unexpected traffic spikes? Would adding 10 service instances result in a 10× increase...
Database integration is easy until your application receives thousands of concurrent requests. Your application can horizontally scale and handle spike in user requests, but the database like PostgreSQL, or MySQL would struggle to do so.
U...
Have you wondered how X(Twitter) let’s you scroll infinitely through a stream of tweets? Does the app pre-fetch all the data or does it fetch as you scroll?
Similarly, how does Spotify let you view all the albums and songs...
In 2010, Facebook faced a 2.5-hour outage that left millions unable to access the site.
A small misconfigured value led to a huge spike in the database load. While the mitigation was simple, it worsened the problem. The only way to solve t...
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| Accepts Sponsors | Estimated Cost per Ad | ||||
The writers behind this newsletter.
SDE-3/Tech Lead @ Amazon, ex-Airbnb, ex-Microsoft
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