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How StepFun Built a PB-Scale Agent Observability Platform with Apache Doris

StepFun built StepTrace, a PB-scale agent observability platform on Apache Doris, to analyze agent traces, costs, search, evaluation loops, and infrastructure behavior in real time.

July 8, 2026StepFun · Ric Li

From Hive, HBase, MySQL, and Trino to Apache Doris: Tuhu Car's Unified OLAP Architecture
Tuhu Car rebuilt its fragmented Hive, HBase, MySQL, and Trino OLAP stack with Apache Doris, improving audience segmentation, user profiling, BI analysis, and real-time analytics.
July 3, 2026Tuhu Car · Wenbo Wang
ASOF JOIN Benchmark: Apache Doris vs ClickHouse and DuckDB
Apache Doris 4.1 outperforms ClickHouse and DuckDB on ASOF JOIN across all 11 benchmark scenarios.
June 11, 2026velodb.io · Changle Zhao
How We Built Production Vector Search in Apache Doris
Apache Doris 4.1 adds more native ANN vector indexes, IVF and IVF_ON_DISK, directly inside its OLAP engine, reaching 900 QPS at 97% recall on VectorDBBench.
May 28, 2026velodb.io · Rayner Chen

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