Part 02 · Storage Engine Fundamentals
Pages and Blocks
PageBlock8KBDisk I/O unit
A database never reads one row, it reads a whole page. What a page is, why it is 8KB in PostgreSQL and 16KB in InnoDB, and how to count pages a query touches.
⏱ 6 min · Station 6 of 123
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This chapter is being written.
The route is mapped; the full walkthrough arrives here soon.