Linux
, SRE
worker_cpu_affinity
監控數據: 定義SLO,SLI,SLA,需要去定義相關內容
可參考: 網站可靠性工程工作手冊。
本章節為系統層的監控。
Q1 : 系統監控與應用監控有什麼差別?
A1 : 不同組織與不同知識背景會有不同看法
系統資源瓶頸: (是最為常見的性能問題)
*可以通過USE法,即使用率、飽和度以及錯誤數這三類指標來衡量
應用程序瓶頸:
55 | 套路篇:分析性能問題的一般步驟- Jeri Chen
講者有提到監控畫面(ACQUIA)為公司內部,要記得剪掉相關內容。
網路慢的成本比硬碟高
陌生系統先看依賴性,是否有需要?
open soucre fork是否有需要回饋社群:
重造輪子 v.s. 使用工具:
or
or
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