Callum Dzenga

Nested arrays cut BigQuery costs while distribution keys matter most on Redshift.

Distinguish four types of agent query failures and deploy the right recovery strategy for each.

AWS S3's rate limits and latency floors compound under analytics query load.

Agents fail silently in ways traditional monitoring can't catch.

Agents probe databases differently than humans, breaking systems designed for human query patterns.

Agents can cut spending by estimating query cost before execution, not after.

Concurrent agent queries overwhelm columnar databases through CPU cache thrashing.