4 ms·
I seem to remember zvol having known performance issues that were improved greatly in the latest openzfs release. If you read https://github.com/openzfs/zfs/is
by DannyBee 3y ago
I seem to remember zvol having known performance issues that were improved greatly in the latest openzfs release.
If you read https://github.com/openzfs/zfs/issues/11407 https://github.com/openzfs/zfs/issues/11407
It should be in there somewhere.
Dataset plus raw file will almost always be faster though due to the rest of the issues mentioned