AWS CloudWatchCloudWatch 是 AWS 提供的一種監控和管理服務，專門用於收集並追蹤 AWS 資源及應用程序的運行指標和日誌。它可以監控各種資源，例如 EC2、RDS、S3 以及其他 AWS 服務，並提供一個集中式的平台來分析資源的健康狀態和性能。 監控時間選擇觀看時可以選擇時間(總時長)，及時間期間(多久時間一段)，方便觀看 監控指標可以選擇監控的指標，例如CPU, Mem

RecursionWhat is Recursion?包含兩個部分 1. Base Case: 終止條件A base case (or cases) defined, which defines when the recursion is stopped - otherwise it will go on forever! 2. Recursive Case: 遞迴條件A recursive ca

Hibernate / Data Jpa 的優化Join在 orm 中 方便使用會透過@ManyToOne 或 ManyToMany等方式去做方便的查詢，但在mapping 多及資料涉及範圍廣的時候，常常會造成降速，原因為容易造成N+1 查詢 123456789101112131415161718192021@Entitypublic class User { @Id

考照心得這次考照不同於CCP, ccp只需記好各種服務的大致用途及相互關係，選得出對應場景下可以使用的服務就可以了，ccp 準備的雖然比較多比較久，但考起來是很輕鬆的 這次的考試範圍分布為: 可以看到有包含很多基礎AI / ML /LLM 的題目，是蠻考驗底層知識的，實際考期來衍伸的服務項目也不僅僅只在ai, 包括監控的Cloudtrail,主動掃描的 Macie 等也在考試

Model evaluation Common MetricRougeused to evaluate automatic summarization of texts, in addition to machine translation quality in NLP. The main idea behind ROUGE is to count the number of overlappin

Machine Learning Development Lifecycle Business goal identificationDefining the success criteria or key performance indicators (KPIs) for the ML workload is critical.為 ML 工作負載定義成功標準或關鍵績效指標 （KPI） 至關重要

Responsible AI 負責任的AIBias-variance trade-offs Variance. Variance refers to the model’s sensitivity to fluctuations or noise in the training data. 模型對訓練數據中的波動或雜訊的敏感度。 underfittedunderfitting the data

AWS AI/ML services stack ML frameworksSageMakerSageMaker offers the right tools to effectively build, train, and run LLMs and other FMs efficiently and costeffectively. SageMaker 提供了合適的工具，可以高效且經濟

Generative AI FundamentalsFoundation models (基礎模型) Generative AI is powered by models that are pretrained on internet-scale data called foundation models (FMs). can adapt a single FM to perform multip

Deep Learning(深度學習)field of deep learning is inspired by the structure and function of the brain. It involves the use of artificial neural networks, which are computational models that are designed to