Fixed performance bug in large directories#426

Merged

jpivarski merged 1 commit intomainfrom jpivarski/performance-bug-in-large-directories

Aug 28, 2021

+88-37

Commits on Aug 28, 2021

Replaced DirectoryData.keys list with O(1) search structures and replaced all-keys rewriting with just-new-keys rewriting.
jpivarski
committed