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Xiaolei Talks DB
Xiaolei Talks DB
Oct 22, 2025 · Databases

How to Evaluate a Database’s Long‑Term Service Capability

In a landscape crowded with OLTP, OLAP, HTAP, NewSQL and cloud‑native options, this article explains why enterprises must look beyond performance and assess a database’s five‑dimensional long‑term service capability to ensure sustainable growth and low migration risk.

Technology Selectiondatabasesenterprise architecture
0 likes · 9 min read
How to Evaluate a Database’s Long‑Term Service Capability
DataFunTalk
DataFunTalk
Dec 20, 2023 · Fundamentals

Evaluating Long-Term Effects of Strategies with A/B Experiments: Methods and Case Studies

This article examines why A/B experiments often capture only short‑term impacts, categorises external and internal causes of short‑term bias, and presents seven industry‑tested approaches—including user‑learning models, personalized recommendation adjustments, surrogate metrics, and bias correction techniques—to reliably estimate long‑term strategy effectiveness, illustrated with real business cases.

A/B testingcausal inferenceexperiment design
0 likes · 13 min read
Evaluating Long-Term Effects of Strategies with A/B Experiments: Methods and Case Studies