VirtualBox

Ticket #7749 (new defect)

Opened 3 years ago

Vboxsf has no read caching on linux

Reported by: nadvorny Owned by:
Priority: major Component: shared folders
Version: VirtualBox 3.2.10 Keywords:
Cc: Guest type: Linux
Host type: Mac OS X

Description

There is no read caching implemented on volumes mounted via vboxsf on linux guest. Read cache may improve vboxfs performance dramatically.

For testing try executing

time cat any_long_file > /dev/null

on mounted host fs multiple times. Time to read file does not change. That means there is no caching done on that file. Dong the same i.e. on vmware fusion shares makes subsequent reading almost instant.

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