mongodb/mongo — pull request #392 by bwaldvogel (2013-03-10 17:49:42+00:00)
Title: Server 8927 Add a new administrative command to provide statistics about the memory cache of all documents in a collection

The commits add the new (experimental) command "documentsInRAM", which is described in more details in the ticket https://jira.mongodb.org/browse/SERVER-8927.