[CentOS] atime, relatime query
rkampen at kampensonline.com
Wed Feb 3 21:15:17 UTC 2010
> 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.
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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