https://blog.001k.site/categories/%E6%95%B0%E6%8D%AE%E5%BA%93/Recent content in 数据库 on Lsekit's BlogHugozh-CNTue, 05 Aug 2025 23:11:00 +0800https://blog.001k.site/postgres-major-upgrade-paths/Tue, 05 Aug 2025 23:11:00 +0800https://blog.001k.site/postgres-major-upgrade-paths/pg_upgrade 和 pg_dump/pg_restore 的机制差别：一个搬文件重写系统目录，一个走逻辑层重建。四维取舍。