On Thu, Jan 21, 2016 at 1:20 AM, HMLTH <hmlth@xxxxxxxxxx> wrote: > > > > Gregory Farnum – Thu., 21. January 2016 4:02 >> >> On Wed, Jan 20, 2016 at 6:40 PM, Francois Lafont <flafdivers@xxxxxxx> >> wrote: >> > Hi, >> > >> > On 19/01/2016 07:24, Adam Tygart wrote: >> >> It appears that with --apparent-size, du adds the "size" of the >> >> directories to the total as well. On most filesystems this is the >> >> block size, or the amount of metadata space the directory is using. On >> >> CephFS, this size is fabricated to be the size sum of all sub-files. >> >> i.e. a cheap/free 'du -sh $folder' >> > >> > Ah ok, interesting. I have tested and I have noticed however that size >> > of a directory is not updated immediately. For instance, if I change >> > the size of the regular file in a directory (of cephfs) the size of the >> > size doesn't change immediately after. >> >> It's updated lazily so it's not instantaneous, but it should be pretty >> fast. Probably within 30 seconds, and usually a lot less. >> -Greg > > > > I recently reported on this list an issue with tar reporting a file as > changed[1], is this the same phenomenon? We run tar in all of our nightlies and validation suites and have not seen the issues you're reporting there, so I don't *think* so. Will discuss more in your thread. -Greg > > Thomas HAMEL > > 1: http://article.gmane.org/gmane.comp.file-systems.ceph.user/26594 > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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