Изображение: khuncho24 / Shutterstock / Fotodom
Here is where the modes split.
。钉钉对此有专业解读
rkx: POSIX shell 脚本，ASCII 文本可执行文件
A composite B-tree is still a sorted tree, but now entries are ordered first by severity, and then by timestamp within each severity value. This works great for this query shape: Postgres can jump directly to the portion of the tree matching severity
Under the Hood Why Paperclip is special. Paperclip handles the hard orchestration details correctly.