Excessive memory usage with clangd 19

[TobiasBohnen]

Clangd-19's memory usage is at about 1GB on startup and steadily grows with each file opened, eventually reaching 8GB before crashing.
In my tests, version 18.1.8 peaks around 1GB, and typically idles at about 500MB.

Logs
clangdlog.txt

System information
clangd version: 19.1.3
clangd extension version: 0.1.29
Operating system: Windows 10