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Tag · #ai

5 essays filed under this tag
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
2026-04-13
Beyond JSON: The Evolution of Variant Data Types in Modern Analytics
JSON stopped being a supporting format and became core business data. Why analytics engines need Variant types to keep up — and how Snowflake, Doris, and Iceberg are solving it.
10 min2443 w
2026-04-03
How Hard Is It to Add an Index to an Open Format: Lessons from the Apache Iceberg Community
Adding a secondary index to Apache Iceberg isn’t a file-layout problem — it’s an ecosystem problem. A walkthrough of the design tradeoffs the Iceberg community is navigating.
17 min4147 w