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Vector search in 2026: revisit pgvector, Qdrant, Milvus, Weaviate before you add a vector database

An e-commerce company in Pune runs customer support on PostgreSQL. The database holds about 2 million help articles, product Q&A threads and resolved tickets, in English and a fair amount of Hinglish.

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PgBouncer and its alternatives: revisit your PostgreSQL connection pooler

A team runs about forty services on Kubernetes against one PostgreSQL primary. During a sale, the autoscaler adds pods, each opens its own pool of ten connections, and PostgreSQL starts refusing logins with “remaining connection slots are reserved”.

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PostgreSQL asynchronous I/O: revisit your settings before you upgrade

A team upgrades its reporting database from PostgreSQL 16 to 18 over a weekend. On Monday the nightly scans finish a little faster, and nobody knows why, because nobody changed a setting.

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