VPC flow logs capture information about the IP traffic going to and from network interfaces in a VPC. Athena is an interactive query service that makes it easy to analyze data directly in S3 using standard SQL. Topology Create a (S3) Bucket Enable (VPC) Flow Logs Apache Parquet is a columnar data format that stores and queries data more efficiently and cost-effectively than a text format. Queries on data stored in Parquet format are 10 to 100 times faster and cheaper than data stored in text format. Flow logs delivered in Parquet format with Gzip compression use about 20 percent … Continue reading Checking Bandwidth Consumption with Athena