Am Donnerstag, 7. Mai 2015, 19:16:02 schrieb Dewangga: > Hello Martin, > Thanks for your reply, yes I've read that link, but another question, > is noatime,nodiratime,etc still valid for performance tuning guidance? > Even the default mount options only "rw,inode64,seclabel,attr2". > > Is it still increase the performance if the additional mount options > added? noatime implies nodiratime as far as I know. And yes, it can help for databases for example. I think official recommendation for MySQL and PostgreSQL is to use noatime. There is a post by Theodore T´so somewhere about make clean workload on Ext4 with noatime, relatime and strictatime handling and only noatime considerably reduced the amount of writes. noatime is a generic tuning option which can help with other filesystems as well. -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs