AWS - CloudWatchWhy does CloudWatch aggregate metric data points over time intervals instead of storing every single data point?ATo reduce storage costs and improve query performanceBBecause AWS limits the number of data points per metricCTo avoid data duplication across regionsDBecause metrics are only updated once per dayCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand Metric Aggregation PurposeAggregating reduces storage needs and speeds up queries.Step 2: Analyze Other OptionsLimits exist but aggregation is for efficiency; duplication and daily updates are incorrect reasons.Final Answer:To reduce storage costs and improve query performance -> Option AQuick Check:Aggregation = cost and performance optimization [OK]Quick Trick: Aggregation saves cost and speeds queries [OK]Common Mistakes:MISTAKESThinking aggregation is due to limitsConfusing with replication issuesAssuming infrequent metric updates
Master "CloudWatch" in AWS9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
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