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Jaesol Shin

Jaesol Shin

Towards observable, reliable, scalable AI

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All Posts 26 Research 1 AI 17 Development 3 DB 5

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AI8 PostgreSQL8 Benchmark7 RAG6 LLM4 zsh4 Claude Code4 OpenAI4 GraphRAG4 LightRAG4 Multi-account3 Dotfiles3 Configuration3 Developer Workflow3 API3 Productivity2 GPT-52 DeepSeek2 GraphDB2 RCTE2 Neo4j2 Apache AGE2 Recursive CTE2 Markdown2 PDF2 Agent2 Self-Improvement2 POMDP2

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2026 26

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May 21, 2026 · DB

PG-Strom SSB Benchmark — Arrow FDW Comes Before GPU

Why Arrow+GPU achieves 10x at SF=100 and Heap+GPU loses to CPU on wide tables

#PG-Strom #PostgreSQL #GPU #OLAP

May 21, 2026 · DB

PostgreSQL Lakehouse (2/2) — Distributed Processing and Citus Integration

Distributed processing (Ray/Daft/Smallpond) and Citus + pg_lake FDW integration

#PostgreSQL #Lakehouse #pg_lake #Iceberg

May 21, 2026 · DB

PostgreSQL Lakehouse (1/2) — When DuckLake Hit a Wall, pg_lake Was There

Eight phases building a PostgreSQL-centered Lakehouse: DuckLake's libpq collision and pg_lake

#PostgreSQL #Lakehouse #DuckLake #Iceberg

May 20, 2026 · DB

In-DB AI, Five Systems Compared — Why Most Are Misguided

Oracle 23ai, EDB AIDB, PostgresML, Timescale pgai, pg_aidb — five systems and the abstraction-boundary discussion

#PostgreSQL #AI #RAG #in-db-ai

May 20, 2026 · DB

Replacing Elasticsearch with PostgreSQL for Korean Search — An 8-Phase Study

textsearch_ko (MeCab) + pg_textsearch BM25 + pgvector HNSW + DB-side RRF matches Elasticsearch on Korean search quality and runs 2–5× faster on a single node. Eight phases of measurement, head-to-head against ES, Qdrant, and Vespa.

#PostgreSQL #Elasticsearch #Korean #BM25
Jaesol Shin

Jaesol Shin

Towards observable, reliable, scalable AI

GitHub

Categories

All Posts 26 Research 1 AI 17 Development 3 DB 5

Tags

AI8 PostgreSQL8 Benchmark7 RAG6 LLM4 zsh4 Claude Code4 OpenAI4 GraphRAG4 LightRAG4 Multi-account3 Dotfiles3 Configuration3 Developer Workflow3 API3 Productivity2 GPT-52 DeepSeek2 GraphDB2 RCTE2 Neo4j2 Apache AGE2 Recursive CTE2 Markdown2 PDF2 Agent2 Self-Improvement2 POMDP2

Archive

2026 26