Data lake
3 posts
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Query your CUR in Athena, no crawler (2026)
Athena partition projection computes partitions from table properties. The config, and six ways it returns zero rows not an error.
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Are AWS Glue crawlers free? (2026)
No. Glue crawlers bill $0.44 per DPU-hour with a 10-minute minimum per crawl, so an hourly schedule costs about $1,285 a year.
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Limit what one Athena query can scan (2026)
Athena's per-query limit cancels; the per-workgroup limit only alerts. Cancelled queries are still billed and leave debris.