Re: Btrfs Slowdown (due to Memory Handling?)

2011-08-04 Thread Chris Mason
Excerpts from Mitch Harder's message of 2011-08-04 14:40:20 -0400: > On Thu, Aug 4, 2011 at 10:05 AM, Chris Mason wrote: > >> > >> Ok, so I'm going to guess that your problem is really with either file > >> layout or just us using more metadata pages than the others.  The file > >> layout part is

Re: Btrfs Slowdown (due to Memory Handling?)

2011-08-04 Thread Mitch Harder
On Thu, Aug 4, 2011 at 10:05 AM, Chris Mason wrote: > Excerpts from Chris Mason's message of 2011-08-04 11:04:54 -0400: >> Excerpts from Mitch Harder's message of 2011-08-04 10:45:51 -0400: >> > On Thu, Aug 4, 2011 at 9:22 AM, Chris Mason wrote: >> > > Excerpts from Mitch Harder's message of 2011

Re: Btrfs Slowdown (due to Memory Handling?)

2011-08-04 Thread Chris Mason
Excerpts from Mitch Harder's message of 2011-08-02 10:35:54 -0400: > I'm running into a significant slowdown in Btrfs (> 10x slower than > normal) that appears to be due to some issue between how Btrfs is > allocating memory, and how the kernel is expecting Btrfs to allocate > memory. > > The prob

Btrfs Slowdown (due to Memory Handling?)

2011-08-02 Thread Mitch Harder
I'm running into a significant slowdown in Btrfs (> 10x slower than normal) that appears to be due to some issue between how Btrfs is allocating memory, and how the kernel is expecting Btrfs to allocate memory. The problem does seem to be somewhat hardware specific. I can reproduce on two of my c