Might be good to send the crash report to the XFS list.. On Thu, Oct 03, 2013 at 11:54:29PM -0700, David Zafman wrote: > > Here is the test script: > > > David Zafman > Senior Developer > http://www.inktank.com > > > > > On Oct 3, 2013, at 11:02 PM, Loic Dachary <loic@xxxxxxxxxxx> wrote: > > > Hi David, > > > > Would you mind attaching the script to the mail for completness ? It's a useful thing to have :-) > > > > Cheers > > > > On 04/10/2013 01:21, David Zafman wrote: > >> > >> I want to record with the ceph-devel archive results from testing limits of xattrs for Linux filesystems used with Ceph. > >> > >> Script that creates xattrs with name user.test1, user.test2, ?. on a single file > >> 3.10 linux kernel > >> > >> ext4 > >> value bytes number of entries > >> 1 148 > >> 16 103 > >> 256 14 > >> 512 7 > >> 1024 3 > >> 4036 1 > >> Beyond this immediately get ENOSPC > >> > >> btrfs > >> value bytes number of entries > >> 8 10k > >> 16 10k > >> 32 10k > >> 64 10k > >> 128 10k > >> 256 10k > >> 512 10k slow but worked 1,000,000 got completely hung for minutes at a time during removal strace showed no forward progress > >> 1024 10k > >> 2048 10k > >> 3096 10k > >> Beyond this you start getting ENOSPC after fewer entries > >> > >> xfs (limit entries due to xfs crash with 10k entries) > >> value bytes number of entries > >> 1 1k > >> 8 1k > >> 16 1k > >> 32 1k > >> 64 1k > >> 128 1k > >> 256 1k > >> 512 1k > >> 1024 1k > >> 2048 1k > >> 4096 1k > >> 8192 1k > >> 16384 1k > >> 32768 1k > >> 65536 1k > >> > >> -- > >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > >> the body of a message to majordomo@xxxxxxxxxxxxxxx > >> More majordomo info at http://vger.kernel.org/majordomo-info.html > >> > > > > -- > > Lo?c Dachary, Artisan Logiciel Libre > > All that is necessary for the triumph of evil is that good people do nothing. > > > ---end quoted text--- -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
