Messages in this thread | | | Date | Wed, 22 Dec 2010 12:39:15 -0800 | From | Andy Isaacson <> | Subject | Re: btrfs: 21 minutes to read 1.2M file directory |
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On Tue, Dec 21, 2010 at 03:07:33AM +0200, Felipe Contreras wrote: > On Tue, Dec 21, 2010 at 12:24 AM, Andy Isaacson <adi@hexapodia.org> wrote: > > I have a directory with 1.2M files in it, which makes readdir very slow > > on btrfs with cold caches (although it's reasonably fast with hot caches > > as in the first example below): > > Sounds like: > > Bug 21562 - btrfs is dead slow due to fragmentation > https://bugzilla.kernel.org/show_bug.cgi?id=21562
Hmmm, how do I look at the btree layout for a given inode?
btrfs-image for this filesystem is 1.7GiB .bz2, so I'm afraid it's not reasonable to publish it.
-andy
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