[讀書會]可觀測性工程
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    # [點此加入 Google Meet 會議室](https://meet.google.com/mch-yqjg-sdg) ## 時間軸 - 20:50-21:00 閒聊/進場/確認相關軟、硬體 - 21:00-21:40 各章節負責人分享 - 21:40-21:50 閒聊/完畢 ## 相關資料 - [標題](連結) ## 可觀測性和監控如何配合? 一開始有點被監控和可觀測性兩個混淆,所以整理了可觀測性和監控上的差異,但我自己的感覺是監控就是可觀測性中的一個子集,有做好可觀測性,那監控就自然會有做好,只是監控的範圍和大小,就取決於組織的軟體服務而定。 傳統的監控方法對於傳統的系統已經足夠,但在管理現代系統的時候,這不代表我們應該丟掉所有舊有的方式,直接用新的比較潮的工具重新開始呢? 也許有些公司有這樣做,但對大多數的公司來說,實際情況應該由採取的責任來決定,因為每個組織的責任劃分也許都不一樣,所以沒有一個通則。 ### 可觀測性:深入理解系統的內在 - **定義**:理解和解釋系統行為的藝術,不僅僅是收集數據,更重要的是從這些數據中獲得洞察。 - **核心原則**:透過外部輸出來理解系統的內部狀態,特別是在出現問題時。 - **實際應用**:例如在微服務架構中,使用追蹤技術來看不同服務間的互動,或分析日誌找出問題所在。 ### 監控:及時發現和反應問題 - **定義**:系統健康狀態的持續追蹤,依賴於預設的指標和閾值。 - **核心原則**:當系統出現已知問題時,監控系統會及時提醒。它是被動的警報系統。 - **實際應用**:設置CPU使用率的警報,當超過閾值時,系統通知。 ### 系統和軟體的考量:不再那麼分明 - **軟體**:開發的程式碼,運行在生產環境中,為客戶創造價值。 - **系統**:支撐軟體運行的基礎設施和平台。 - 例如: SQL、VM、Storage ### 評估組織需求:找到最適合我們的方式 - **軟體導向的組織**:需要強大的可觀測性工具,確保提供最佳用戶體驗。 - **基礎設施導向的組織**:依賴傳統監控系統,確保硬體和網絡穩定運行。 ### 例外狀況:無法忽略的基礎設施監控 - **重點**:即使在高度自動化和智能化的環境中,對基礎設施層面的傳統監控仍不可忽視。 - **實際建議**:結合可觀測性和傳統監控,確保從基礎設施到應用層的全面覆蓋。 ### 實際案例:將理論付諸實踐 1. **多工具生態系統的整合** - 情境:公司使用Prometheus進行監控,Jaeger進行分佈式追蹤,及APM工具。 - 轉變:轉向可觀測性方法,整合需求,減少工具使用,使監控系統與可觀測性系統共存。 - 結果:軟體工程團隊使用可觀測性工具理解 Production 環境的服務,運營團隊使用 Prometheus 監控基礎設施。 2. **新創公司的 Tech stack** - 情境:新公司的 Tech stack,利用無服務器功能和SaaS平台,幾乎無自己基礎設施。 - 策略:依賴應用 Dashboard 和可觀測性理解 Production 環境的服務。 - 結果:數據導出進行長期聚合和倉儲,支持業務需求。 3. **金融服務公司的數字轉型** - 情境:成熟金融服務公司進行數字轉型,有舊基礎設施和新開發應用。 - 策略:舊服務保持監控方法,新應用設計為可觀測性。 - 結果:新應用使用公司基礎設施時,軟體工程團隊訪問基礎設施指標監控資源使用。 ### 📚 總結:整合可觀測性和監控的重要性 - **結論**:可觀測性和監控相互補充,有效結合兩者,重點的是提高系統可靠性和效率。 --- # 共筆區塊 --- # 聊天區塊

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