Documents of products collection are intentionally designed to be more complex and larger than accounts - I want to see what happens, what is the performance penalty mainly, once individual documents are stored on multiple database pages. In Postgres, page size is 8 KB by default - in practice, the goal is to have at least 4 rows stored on a single page, so every record that is larger than 2 KB is put on two or more disk pages. It obviously reduces performance for both writes & reads - more disk pages to read from and write to. In Mongo it works slightly differently in details, but essentially in the same vein - larger documents are stored on more than one page, degrading performance for all operations. In both cases we are about to see - how much exactly.
然而短视频带来的潜在危害还远不止于此,大数据这把双刃剑也正在背刺每一个短视频重度用户。
。新收录的资料对此有专业解读
But... what if there's more? And what are they doing with my data? Can anyone else see it?,详情可参考新收录的资料
If you've ever put a job listing up and watched your inbox explode with hundreds of applications before you've even finished your coffee, you're probably already looking for ways to use new tools to help automate the process.。新收录的资料对此有专业解读