While testing with my buffer read fio jobs[1], I find that btrfs does not
perform well enough.
Here is a scenario in fio jobs:
We have 4 threads, t1 t2 t3 t4, starting to buffer read a same file,
and all of them will race on add_to_page_cache_lru(), and if one thread
successfully puts its page
On 14.07.2012 15:09, Josef Bacik wrote:
Daniel Blueman reported a bug with fio+balance on a ramdisk setup.
Basically what happens is the balance relocates a tree block which will drop
the implicit refs for all of its children and adds a full backref. Once the
block is relocated we have to add
Any news on this? I you give me some hints, I can try to reproduce
it here.
-Arne
On 10.07.2012 08:57, Arne Jansen wrote:
On 10.07.2012 06:16, Sami Liedes wrote:
On Mon, Jul 09, 2012 at 11:05:47AM +0200, Arne Jansen wrote:
* Just before the crash:
btrfs: invalid parameters for
One point regarding the merge: wouldn't it be better to put the seq as a sort
criterion at the end, so the merge can happen in one run through the list
instead of this potentially quadratic time? I've seen some warnings from CPU
stuck 22s which recovered after the test.
On 16.07.2012 09:41, Arne
On 04.07.2012 15:38, Alexander Block wrote:
This patch introduces uuids for subvolumes. Each
subvolume has it's own uuid. In case it was snapshotted,
it also contains parent_uuid. In case it was received,
it also contains received_uuid.
It also introduces subvolume ctime/otime/stime/rtime.
On Mon, Jul 16, 2012 at 10:20:28AM +0200, Arne Jansen wrote:
Any news on this? I you give me some hints, I can try to reproduce
it here.
I've been planning for a few days now to try if it's reproducible in a
virtual machine with the same filesystem images. However I haven't
gotten around to
