[Question]: Regarding the lightrag_ollama_age_demo.py example and the lightrag_zhipu_postgres_demo.py example

[khaidoan]

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I am new to LightRAG. I am looking inside the example folder. It has the lightrag_ollama_age_demo.py file, and the lightrag_zhipu_postgres_demo.py file. I am exploring both of these. They both creates the chunk_entity_relation graph. However, the lightrag_zhipu_postgres_demo.py file also creates the following tables: lightrag_doc_chunks, lightrag_doc_full, lightrag_doc_status, lightrag_llm_cache, lightrag_vdb_entity, lightrag_vdb_relation. When I tried the lightrag_ollama_age_demo.py example, I also saw a lot of errors, something like "too many connections". My questions:

1. Does the lightrag_ollama_age_demo.py also create similar tables?
2. Beside the above error, which example should I follow? Which one provide more benefits?

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