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在 PostgreSQL 中构建混合搜索引擎:BM25 + 向量检索
该课程介绍如何在 PostgreSQL 内构建生产级混合搜索,无需 Elasticsearch 等外部集群。它结合关键词匹配与向量语义检索,用 RRF 在...
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Igor Suhorukov:我的 PostgreSQL 比你的更快,而且几乎追上了 ClickHouse
作者开发了pg_vexec向量化执行器、ch_table_engines(将ClickHouse的MergeTree引擎接入PostgreSQL)和ihe...
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Jeremy Schneider:Postgres recovery_prefetch 有害且会导致宕机
文章指出 PostgreSQL 的 recovery_prefetch 参数可能引发生产事故:它把主库的大顺序 I/O 转为备库的 8k 随机读,IOPS...
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Christophe Pettus: Binary read replicas in PostgreSQL, Part 1
A read replica is a PostgreSQL server in permanent recovery that accepts quer...
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Apple says it only has ‘limited’ iPhone Duo units for in-store sales
Apple says it will have "limited" iPhone Duo models for sale in store...
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Introducing full transaction detection for Cloudflare WAF
Cloudflare's web application firewall can now correlate an HTTP request w...