[CentOS] atime, relatime query

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


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
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
>   
-------------- next part --------------
A non-text attachment was scrubbed...
Name: rkampen.vcf
Type: text/x-vcard
Size: 121 bytes
Desc: not available
Url : http://lists.centos.org/pipermail/centos/attachments/20100203/b9a5beae/attachment.vcf 


More information about the CentOS mailing list