The Ledger
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Gleb Mezhanskiy: Data monitoring scales better than manual data testing
“Data testing is basically us writing unit tests for data are not scalable, whereas data monitoring is scalable because we can just automatically track data in the warehouse and automatically provision machine learning to track data for anomalies.”
Gleb Mezhanskiy: Data testing gives better signal-to-noise than data monitoring
“The signal to noise in data testing typically tends to be better because we define exactly what is wrong, what is right, versus in monitoring, it's Quite noisy, because we just, it just tells us when data doesn't conform to the historical properties, which doe…”