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Category · Apache Doris

4 essays in this category
datetitlestats
2026-08-20
Cutting Apache Doris Build Time from 38 Minutes to 6
A cold Apache Doris BE build went from 38 minutes to 6: lighter header closures, CMake Unity Build, extern template, and line-tables debug info.
8 min1949 w
2026-04-24
How We Built Production Vector Search Inside an Analytical Database: 900 QPS at 97% Recall
Apache Doris 4.1 adds native vector search: IVF and disk-tiered SPANN indexes, PQ quantization, and hybrid BM25+vector queries planned in a single SQL.
18 min4314 w
2026-04-23
Integrating Lance into Doris: Notes from the Rust Side
How Apache Doris embeds a Rust-based Lance reader in its C++ BE via the Arrow C Data Interface, a single-threaded Tokio runtime, and Corrosion.
12 min2893 w
2026-04-23
Doris Segment V3 vs Parquet & Lance: Fixing Footer Metadata Explosion
How Parquet’s Flatbuffer proposal, Lance, and Doris segment v3 each tackle columnar footer explosion when wide tables push metadata from KB into MB.
36 min8595 w