is there any way to increase disk performance ?
    Wojciech Puchar 
    wojtek at wojtek.tensor.gdynia.pl
       
    Thu Feb  5 01:18:15 PST 2009
    
    
  
>
> while I was looking  into this case in google, I see a value of MAXPHYS
> in my kernel, there is a value called MAXPHYS=(128*1024) as default.
> What should I set this value ?
i use 1024*1024
>
>
>
>> Yavuz wrote:
>>> I have freebsd7 (amd64 bit)  and sata2 disk 7200 rpm.
>>> 
>>> it's running mail server which has services like pop3,imap,smtp and 
>>> webmail on this machine.
>>> 
>>> When I type systat 1 -vmstat on command line, even I rarely see that disk 
>>> usage hits 100%.
>>> I have no problem as ram and cpu.  they is enough.
>>> 
>>> is there any way to increase disk performance without causing any problem 
>>> ?
>>> 
>> sysctl vfs.read_max=32 can help read performance
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