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What is the best way to optimize AWS Athena partition pruning and reduce S3 scan costs when querying massive partitioned Parquet datasets from a legacy ETL?
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What is the best way to optimize AWS Athena partition pruning and reduce S3 scan costs when querying massive partitioned Parquet datasets from a legacy ETL?
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AWS Athena documentation partition pruning partition projection Parquet columnar filtering EXPLAIN ANALYZE data scanned optimizationGoogle ↗
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AWS Athena documentation partition pruning partition projection Parquet columnar filtering EXPLAIN ANALYZE data scanned optimization Google ↗
- Optimize data · docs.aws.amazon.com
- Amazon Athena FAQs – Serverless Interactive Query Service · aws.amazon.com
- Athena performance optimization guide · docs.aws.amazon.com
- Partition your data · docs.aws.amazon.com
- Use partition projection with Amazon Athena · docs.aws.amazon.com