It will avoid page cache in the VM, but will not avoid cache on the host, right? | Hacker News

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		kika on Jan 11, 2014 \| parent \| context \| favorite \| on: Comparing Filesystem Performance in Virtual Machin... It will avoid page cache in the VM, but will not avoid cache on the host, right?

vl on Jan 13, 2014 [–]

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.

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