// Link · 31 January 2026

Beware the Real-Time Trap: Your Fresh Data Could Be Slowing Down Your Dashboards

"Speed" in data engineering is a trade-off, not a single metric. To build effective systems, you must distinguish between two competing concepts: - Data Latency (Freshness): How long it takes for an event to reach your report. - Query Latency (Responsiveness): How long a user waits for a dashboard t...

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