How to Avoid Sharding Yourself
A deep dive into database sharding, tenant routing strategies, and why deterministic hashing might cause headaches when scaling multitenant architectures.
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7 posts in total
Profit or Poverty: False Sharing
An exploration of false sharing in CPU caches, how it silently degrades performance, and why it matters in low-latency environments.
For 12 years, I ignored Kubernetes
My journey from viewing Kubernetes as overcomplicated hype to understanding its true value in modern infrastructure.
Profit or Poverty: TLB
Understanding virtual memory, the TLB (Translation Lookaside Buffer), and its performance impact on low-latency systems.
Profit or Poverty: Realtime kernel patch
An overview of the Linux scheduler’s limitations and why realtime kernel patches are essential for time-critical applications.
Profit or Poverty: NUMA
An introduction to NUMA (Non-Uniform Memory Access) and why mastering it is a hard requirement for HFT micro-optimizations.
A Philosophy of Software Design
A review of ‘A Philosophy of Software Design’ by John Ousterhout and how its concepts apply to real-world software architecture.