Comment on Comparing Filesystem Performance in Virtual MachinesparentComments−kika12yIt will avoid page cache in the VM, but will not avoid cache on the host, right?−vl12yDepends on configuration, but most setups propagate O_DIRECT all the way through - otherwise it would be impossible to run many apps, such as DBs in VM.
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It will avoid page cache in the VM, but will not avoid cache on the host, right?
Depends on configuration, but most setups propagate O_DIRECT all the way through - otherwise it would be impossible to run many apps, such as DBs in VM.