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Metric Optimization

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Efficient Ops
Efficient Ops
Mar 29, 2022 · Big Data

How Tencent Cloud Boosted APM Metric Computation Speed 2‑3× with Flink Optimizations

This article explains how Tencent Cloud's APM metric calculation, which transforms massive Span data into aggregated metrics using Flink, faced performance bottlenecks and was optimized through job splitting, batch merging, and dimension pruning, ultimately achieving a 2‑3× speed increase and cutting resource usage to about 30% of the original.

APMFlinkMetric Optimization
0 likes · 10 min read
How Tencent Cloud Boosted APM Metric Computation Speed 2‑3× with Flink Optimizations
TAL Education Technology
TAL Education Technology
Jul 1, 2021 · Big Data

Optimization of A/B Test Metric Computation Using Spark and ClickHouse

This article details the design and multi‑stage optimization of an A/B testing metric system, describing its product architecture, Spark‑based computation engine, ClickHouse OLAP layer, cumulative calculation improvements, and batch processing techniques that reduced processing time from hours to a few minutes for hundreds of experiments and metrics.

A/B testingClickHouseData Engineering
0 likes · 8 min read
Optimization of A/B Test Metric Computation Using Spark and ClickHouse