====== CloudWatch ====== **What it is:** AWS monitoring service for logs, metrics, alarms, and dashboards. **What it’s for:** * Collect and view [[aws:ops:cloudwatch:logs|Logs]]. * Track [[aws:ops:cloudwatch:metrics|Metrics]] (CPU, latency, error rate). * Trigger [[aws:ops:cloudwatch:alarms|Alarms]] and automate responses. **Key ideas:** * CloudWatch is often the first place to look for operational troubleshooting. * Can publish custom metrics from applications. **Exam cues:** * “monitor CPU and trigger scaling” → CloudWatch metrics + alarms + ASG. * “centralize logs” → CloudWatch Logs. **Hard words (English + IPA + Vietnamese meaning):** * *monitoring* /ˈmɑːnɪtərɪŋ/: giám sát * *metric* /ˈmetrɪk/: chỉ số đo * *alarm* /əˈlɑːrm/: cảnh báo * *dashboard* /ˈdæʃbɔːrd/: bảng điều khiển