Re: btrfs: 21 minutes to read 1.2M file directory

[Felipe Contreras]

On Tue, Dec 21, 2010 at 12:24 AM, Andy Isaacson <adi@xxxxxxxxxxxxx> 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

-- 
Felipe Contreras
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