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Subject: Re: pgbench performance is lagging compared to Linux and DragonflyBSD?
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>> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
>
> Actually MAXBSIZE is 64k, MAXPHYS is 128k.

sorry MAXPHYS

>
> There was a thread about NFS performance where it was mentioned that bigger MAXBSIZE leads to KVA fragmentation.

NFS is never fast. but EVERYTHING is slow when operating on big files. 
modern SATA disk can read/write over 1MB within single seek time