When Did the Data Go Wrong? Using Delta Lake Time Travel for Investigation in Databricks
I. IntroductionData pipelines are the lifeblood of modern data-driven organizations. However, even the most robust pipelines can experience unexpected issues: data corruption, erroneous updates, or sudden data drops. When these problems occur, quickl...
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Great thought to use delta time travel to determine when data drift starts!But this only works as long as retention policies allow it. With vacuum and stricter runtime enforcement in newer dbx versions, older snapshots may not be there when you need ...
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