root at somebox:/mnt/cluster/nested/really/deep/here# time ls -l | wc -l 6656 real 0m3.856s user 0m0.048s sys 0m0.092s root at somebox:~# dumpe2fs -h /dev/vg01/cluster dumpe2fs 1.40.8 (13-Mar-2008) Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super large_file Filesystem OS type: Linux Inode count: 121372672 Block count: 485490688 Reserved block count: 24274534 Free blocks: 260715390 Free inodes: 114407582 First block: 0 Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 908 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 8192 Inode blocks per group: 512 RAID stride: 128 RAID stripe width: 256 First inode: 11 Inode size: 256 Journal inode: 8 Default directory hash: tea Journal backup: inode blocks Journal size: 128M root at somebox:~# mount | egrep "export|gluster" /dev/mapper/vg01-cluster on /usr/local/export type ext3 (rw,noatime,reservation) glusterfs on /mnt/cluster type fuse (rw,nosuid,nodev,allow_other,default_permissions,max_read=1048576) Tom Lahti wrote: > I have 20 million+ files on ext3 with dir_index and its rocket fast to > locate any file, even when not cached. "ls -l" in any random directory is > practically instant. OK, its only 12 million files. Sue me :P By the way, I am re-exporting this with samba and beating the Windows 2003 Servers for performance, both write and read (read in particular) ;) -- -- ============================ Tom Lahti BIT Statement LLC (425)251-0833 x 117 http://www.bitstatement.net/ -- ============================
