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傳統監控工具的挑戰:維運
Application <-> Cache <-> Database
系統上線之後的問題:
大流量時會發生什麼事?
Load Balancer <-> App x N <-> Cache (2nd Dead) <-> DB (1st Dead)
If you haven't tried it, assume it's broken.
大規模用戶負載的挑戰:性能評估
預防性的性能評估
故障排除和問題解決
持續監控和迭代優化
Load Testing
吃飯類比:
壓力測試要有目標
SLA
SLO
測試計畫,測試策略
VU Virtual User
極端情況看 90% 95%
其他的實作 demo slide
js <-> Go 的關鍵 GOJA
https://github.com/dop251/goja
官方資源有限