Alexander Korotkov is a computer scientist and seasoned back-end/database engineer with 12 years of experience, a PhD in Computer Science, and a prominent presence as a PostgreSQL major contributor and committer. He specializes in core database internals—memory management, query planning, indexing, and statistics—and has driven performance and stability improvements in the official PostgreSQL codebase. Alexander also contributes to OrioleDB, a modern cloud-native storage engine, where he has implemented SQL features, fixed concurrency and checkpointing issues, and refined build processes. Known for tackling "wicked" database problems, he blends deep research training with pragmatic engineering to ship robust, production-grade storage systems.
OrioleDB – building a modern cloud-native storage engine (... and solving some PostgreSQL wicked problems)
Role in this project:
Back-end & Database Engineer
Contributions:23 releases, 2 reviews, 240 commits in 10 months
Contributions summary:Alexander primarily contributed to the OrioleDB storage engine by adding support for various SQL commands, including `ALTER TABLE ... OWNER TO ...` and custom `ANALYZE`. They also fixed issues related to xmin tracking, concurrent checkpoint writes, and unique key checks. Furthermore, the user improved the build process by adding build flags.
Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch
Contributions summary:Alexander primarily contributed to the PostgreSQL database's core functionality by addressing various memory leaks, optimizing performance, and improving the structure of the system. Their work included modifications to the handling of index options, SQL syntax improvements, and contributions to the query planning logic for efficiency. The user also worked on improving the stability and accuracy of indexing and statistics for improved query performance and data integrity.
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Alexander Korotkov - Computer Scientist at Supabase