WiredTiger-Cache相关概念梳理
Concept on Disk Block Manager: https://source.wiredtiger.com/11.3.1/arch-block.html A block is a chunk of data that is stored on the disk and operated on as a single unit. Each WiredTiger data file (any file in the home directory with the .wt suffix) is made up of these blocks. Each block consists of a page header, a block header and contains a single page of the btree from which it was generated. WiredTiger is a no-overwrite storage engine, and when blocks are re-written, they are written to new locations in the file....