Disk I/O as a bottleneck?

Disk I/O as a bottleneck?

Nadav Har'El nyh at math.technion.ac.il
Sun May 8 10:14:35 IDT 2011


On Sun, May 08, 2011, geoffrey mendelson wrote about "Re: Disk I/O as a bottleneck?":
> One of the bad things is that standard *NIX files systems are designed  
> with magnetic media in mind, they update the access time of files  
> every time you open them. This is bad for files that are opened often.
> 
> The way around this is to mount a file system read only. Using a  

Instead of mounting with the "ro" (read-only) option, a better option to use
would be "noatime", which disables just the updating of access-time.

See also the "nodiratime", "relatime". These options are explained in mount(8).

-- 
Nadav Har'El                        |        Sunday, May  8 2011, 4 Iyyar 5771
nyh at math.technion.ac.il             |-----------------------------------------
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