Performance benchmarks pitting FreeBSD against Windows

Wojciech Puchar wojtek at
Mon Dec 8 03:38:34 PST 2008

>> changed it to 1MB everywhere.
> I've found that increasing vfs.read_max increases read performance quite a 
> bit in bonnie++ benchmarks.
> sysctl vfs.read_max=32

what exactly this option do?

read_max 32 <what?>

UFS blocks? MAXPHYS blocks?

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