Am Montag, 13. August 2012, 15:13:03 schrieb Paul Hartman: > On Mon, Aug 13, 2012 at 8:16 AM, Michael Hampicke <mgehampi...@gmail.com> wrote: > > Howdy gentooers, > > > > I am looking for a filesystem that perfomes well for a cache directory. > > Here's some data on that dir: > > - cache for prescaled images files + metadata files > > - nested directory structure ( 20/2022/202231/*files* ) > > - about 20GB > > - 100.000 directories > > - about 2 million files > > > > The system has 2x Intel Xon Quad-cores (Nehalem), 16GB of RAM and two > > 10.000rpm hard drives running a RAID1. > > > > Up until now I was using ext4 with noatime, but I am not happy with it's > > performence. Finding and deleting old files with 'find' is incredible > > slow, > > so I am looking for a filesystem that performs better. First candiate that > > came to mind was reiserfs, but last time I tried it, it became slower over > > time (fragmentation?). > > Currently I am running a test with btrfs and so far I am quiet happy with > > it as it is much faster in my use case. > > > > Do you guys have any other suggestions? How about JFS? I used that on my > > old NAS box because of it's low cpu usage. Should I give reiser4 a try, > > or better leave it be given Hans Reiser's current status? > > I think btrfs probably is meant to provide a lot of the modern > features like reiser4 or xfs (tail-packing, indexing, compression, > snapshots, subvolumes, etc). Don't know if it is considered stable > enough for your usage but at least it is under active development and > funded by large names. I think if you would consider reiser4 as a > possibility then you should consider btrfs as well.
reiser4 has one feature btrfs and ever other is missing. atomic operations. Which is a wonderful feature. Too bad 'politics' killed reiser4. -- #163933
