The last stronghold of hardcore SRE.
No marketing, just pure engineering. War stories, hacks, and tech guides on observability, performance, reliability, and troubleshooting. Here we fight for the nines after the decimal point.
Short notes and discussions - in the Telegram channel The Last of 9s (russian).
Application footprint in operating system
System Footprint: how to separate OS and app issues by metrics
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Ideal application deployment
The First Nine Guide, block 4: deploying without throttling surprises
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Typical web-application inner architecture
The First Nine Guide, block 3: request layers and internal service anatomy
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Runtime models: running thousands of functions at once
The First Nine Guide, block 2: execution models and their tradeoffs
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Function: the atomic unit of code
The First Nine Guide, block 1: complexity, resources, and concurrency safety
Read ->About¶
The Last of 9s is an engineering blog where I share my experience and approaches on how to build processes from scratch and solve applied tasks around my favorite aspects of systems. More in About.