[CentOS] Very slow disk I/O

[John R Pierce]

On 2/2/2015 8:52 PM, Jatin Davey wrote:
> So , You dont think that any configuration changes like increasing the 
> number of volumes or anything else will help in reducing the I/O wait 
> time ? 

not by much.  it might reduce the overhead if you use LVM volumes for 
virtual disks instead of using files, but if you're doing too much disk 
IO, there's not much that helps other than faster disks (or reducing the 
amount of reads by more aggressive caching via having more memory).




-- 
john r pierce                                      37N 122W
somewhere on the middle of the left coast