8+ hour, 3+ min ago  (1271+ words) Home " Nginx " How to Configure Nginx Proxy Cache Nginx proxy cache stores selected upstream responses on disk so repeated requests can be served from Nginx instead of hitting the backend every time. It is useful for public pages, static API…...

4+ hour, 49+ min ago  (1039+ words) In today's high-performance web applications, Content Delivery Networks (CDNs) play an indispensable role. They reduce latency by delivering content to users from geographically close servers, lower bandwidth costs, and alleviate the load on origin servers. However, there are specific scenarios…...

1+ day, 16+ hour ago  (882+ words) Building real-time systems is often presented as a distributed systems problem. Kafka, stream processors, event buses, fanout pipelines, multiple caches " the architecture diagrams usually become complicated very quickly. But the problem we were trying to solve was actually much simpler....

2+ day, 11+ hour ago  (649+ words) For years, adding a single real-time feature to a Rails app felt like signing a deal with the devil. You just wanted a simple notification bell to update without a page refresh, or a basic live chat. But the moment…...

4+ day, 4+ hour ago  (19+ words) The Mystery of the Redis Read-Only Error in a Single-Node Setup. .. Tagged with backend, database, devops, sre....

4+ day, 17+ hour ago  (679+ words) Salvatore Sanfilippo, who built the Redis non-relational database, has created an inference engine for the Deep Seek V4 Flash open source LLM. Called Dwarf Star 4, it runs on Apple Mac gear and Linux. He posted the code, ds4. c " written mostly in the…...

5+ day, 21+ hour ago  (582+ words) I've been building Note Bridge for a while now " a tool that migrates One Note notebooks to Notion. Going in, I assumed the hardest part would be content conversion " correctly translating One Note's complex HTML into Notion. Turns out, dealing…...

6+ day, 19+ hour ago  (510+ words) Live Webinar and Q&A: Portable by Design: Data Mobility & Recovery Patterns for Multi-Cloud Systems (May 21, 2026) Save Your Seat Jimmy Morzaria discusses the evolution of Stripe's database tier to support 5 million QPS with 5. 5 nines of reliability. He explains the architecture of…...

1+ week, 21+ hour ago  (224+ words) Most engineers parrot "cache invalidation is hard" as a standard interview response, but few understand why it's hard or the real-world horrors it introduces. It's not just about stale data; it's about financial losses, broken business logic, and cascading failures…...

1+ week, 1+ day ago  (961+ words) Hello readers ", welcome to the 6th blog of our Node. js journey! In the last post, we explored the crucial difference between blocking and non-blocking code. We saw that a single blocking call can freeze an entire server, while non-blocking code…...