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Vector Databases for RAG: Pinecone vs. Weaviate vs. Milvus vs. PGVector 0.8 (PostgreSQL 18)

In 2024, 72% of RAG pipelines fail production due to vector database misconfiguration, costing teams an average of $42k in wasted compute and rework. …

vectordatabasepineconeweaviate
Dev.to Apr 28, 2026, 19:12 UTC
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War Story: We Replaced Pinecone 1.5 with Milvus 2.4 and Reduced Our Vector DB Cost by 49%

\n At 3:17 AM on a Tuesday, our Pinecone 1.5 bill hit $42,000 for the month – 72% over budget, with p99 vector search latency spiking to 3.8 seconds d…

storyreplacedpineconemilvus
Dev.to Apr 28, 2026, 09:02 UTC

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