#LightRAG

2026-05 4 posts

1. 2026-05-21

   Comparing Four LightRAG Variants — Same Root, Different Production Strategies

   Three LightRAG derivatives read at source level: RAG-Anything adds multimodal, ApeRAG becomes a platform without multi-hop, EdgeQuake rewrites it in Rust.

   AI·RAG #25

2. 2026-05-21

   GraphDB Benchmark (2/2) — Workload Matrix and Final Recommendations

   Eight graph engines on OLTP, memory, analytics, and differentiation queries, with a decision table by workload. On OLTP, RCTE tied MemGraph at 22.5K RPS.

   AI·RAG #21

3. 2026-05-20

   LightRAG Without Apache AGE — Graph Storage in Recursive CTE

   Implementing LightRAG's BaseGraphStorage on plain PostgreSQL with RCTE — why a 1-hop-dominant retrieval pattern fits flat SQL

   AI·RAG #14

4. 2026-05-20

   GraphDB Benchmark, Eight Engines (Part 1) — Decomposing the RCTE 290x Gap

   On a 1.14M-edge knowledge graph, PostgreSQL RCTE had 290x the throughput of Apache AGE, traced to a ~13ms cypher() wrapper cost and plan generation.

   AI·RAG #20