The older asin() approximation took roughly 105 seconds (~5% speedup):
It feels like a basic problem that Postgres should solve. After all, can’t we just create an index? Yet in many production Postgres deployments, Top K is deceptively hard. This post examines where Postgres’ Top K optimizations shine, where they falter, and why search libraries like Lucene/Tantivy or databases like ParadeDB that specialize in Top K take a fundamentally different approach.
。业内人士推荐新收录的资料作为进阶阅读
Долина рассказала об изменении своих взглядов после ситуации с квартирой08:37。新收录的资料对此有专业解读
王兴显然不想看到美团步入这个境地。他早早把美团AI业务调整到了战斗姿态。2025年3月的财报电话会上，他首次详细谈及美团AI战略与行业竞争，明确强调美团的AI策略是主动进攻，而非被动防守。