Four Global Policies Could Eliminate More Than 90% of Plastic Waste and 30% of Linked Carbon Emissions by 2050
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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.。关于这个话题，safew官方版本下载提供了深入分析
matrix is that we know it’s invertible when are distinct.
Даниил Иринин (Редактор отдела «Наука и техника»)