Description

In the document How Granular Are Locks in MongoDB it says:

Some other operations, such as dropping a collection, still require an exclusive database lock.

On the same page, section What Administrative Commands Lock a Collection, it says drop/dropCollections takes collection level lock.

Former is only true before 4.2.

Regards,
Yaoxing

Scope of changes

Impact to Other Docs

MVP (Work and Date)

Resources (Scope or Design Docs, Invision, etc.)