[CentOS] atime, relatime query

Wed Feb 3 21:15:17 UTC 2010
Rob Kampen <rkampen at kampensonline.com>

nate wrote:
> Rajagopal Swaminathan wrote:
>
>   
>> But in a production db server, which is backed up by HP DP, is it
>> advisable to mount with noatime?
>>     
>
> noatime typically helps when dealing with lots of files, most DB servers
> have a small number of files that are large in size, so noatime is
> likely not to provide any noticeable improvement I think.
>
> nate
>   
I do not agree - every read of the db will update the filesystem with 
noatime missing, thus specifying noatime does give performance 
improvements - the size of the files does not matter as much - rather 
the number of reads vs writes.
just my $0.02 worth
>
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