CloudWatch Logs Insights 是 AWS 提供的强大日志分析工具，允许您快速、交互式地搜索和分析日志数据。本文将详细介绍使用 CloudWatch Logs Insights 所需的权限、常用查询方法，以及一些实用的查询示例。
1. 所需权限
要使用 CloudWatch Logs Insights，用户需要具备以下 IAM 权限：
{"Version": "2012-10-17","Statement": [{"Effect": "Allow","Action": ["logs:StartQuery","logs:GetQueryResults","logs:StopQuery","logs:GetLogEvents","logs:DescribeLogGroups","logs:DescribeLogStreams","logs:PutQueryDefinition","logs:DescribeQueryDefinitions","logs:DeleteQueryDefinition","logs:FilterLogEvents","logs:GetLogGroupFields"],"Resource": "arn:
