Git packfiles use delta compression, storing only the diff when a 10MB file changes by one line, while the objects table stores each version in full. A file modified 100 times takes about 1GB in Postgres versus maybe 50MB in a packfile. Postgres does TOAST and compress large values, but that’s compressing individual objects in isolation, not delta-compressing across versions the way packfiles do, so the storage overhead is real. A delta-compression layer that periodically repacks objects within Postgres, or offloads large blobs to S3 the way LFS does, is a natural next step. For most repositories it still won’t matter since the median repo is small and disk is cheap, and GitHub’s Spokes system made a similar trade-off years ago, storing three full uncompressed copies of every repository across data centres because redundancy and operational simplicity beat storage efficiency even at hundreds of exabytes.
据上海发布2月28日消息，2026上海全球投资促进大会暨“投资上海”活动周将于3月14日正式开幕。本届大会以“春启申城·创领未来”为主题，主会场设在中国对外开放新地标—上海东方枢纽国际商务合作区。大会期间将举办“1+2+N+X”系列活动，包括：1场高规格主推介会，全方位展示上海“十五五”重点发展方向和投资机遇；两场政企圆桌会，推动科技创新企业、重点外资企业等深度交流；N场洽谈对接活动，设立“投资上海会客厅”，促进政府、企业、投资人一站式深入对接；X场主题招商活动，市区联动推介主导产业特色政策，展现产业链集聚发展的优势。
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消费者“不买小内存”的心理（12GB+256GB已成起步配置），导致单机消耗的存储bit数呈指数级增长。TrendForce集邦咨询2026年2月的最新数据显示，近三个月来，手机存储芯片现货价格累计上涨超过300%。其中，1TB闪存成本从2025年的200多元飙升至近600元；2026年第一季度DRAM价格涨幅达80%-95%，12GB LPDDR5X内存成本从200元涨至近600元，256GB UFS4.0闪存涨幅也达到80%-90%，成本直接翻倍。。关于这个话题，搜狗输入法2026提供了深入分析