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Eve Online Discusses Head-Based Sampling for Observability in a 20-Year-Old System
Key points
- Eve Online uses 100% head-based sampling for observability.
- Combines dynamic and deterministic sampling techniques.
- Addresses challenges of a 20-year-old system.
- Compares video game architecture to traditional and FinTech systems.
Observability in Legacy Systems
Nicholas Herring presented on how Eve Online integrated observability into its two-decade-old system, which also incorporates newer mechanisms. The discussion highlighted the differences in architectural patterns between video games and traditional application development, drawing some comparisons to FinTech.
Head-Based Sampling Approach
Eve Online's system relies entirely on head-based sampling, a method that often raises concerns due to its tradeoffs compared to tail-based sampling. The presentation detailed how this is achieved by combining dynamic and deterministic sampling techniques, with a focus on exponential moving average sampling for dynamic adjustments. This approach balances fidelity with cost considerations.
Video Game vs. Traditional Architecture
Traditional software typically creates unique experiences for single users, leading to different scaling and building methodologies. In contrast, multiplayer video games like Eve Online must create shared experiences, necessitating synchronized, transactional, and replicated data. This requirement introduces complexities similar to those found in FinTech, but with additional considerations for player expressions that are not critical to system function.
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Reporting from
Eve Online presented on its use of 100% head-based sampling for observability in its 20-year-old system, blending dynamic and deterministic techniques. This approach differs from traditional tail-based sampling and addresses the unique architectural challenges of multiplayer video games, which require synchronized, transactional, and replicated data for shared experiences.