Dead Letter Notes
Notes on data pipelines, message queues, and the failure modes in between.
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The small files problem, and four ways I've dealt with it
June 12, 2026
Schema drift: catching breaking changes before your consumers do
May 3, 2026
Backfilling a partitioned table without taking down production
March 28, 2026
Idempotent consumers, or how to stop fearing retries
February 15, 2026
Dead letter queues in practice
January 20, 2026