Re: New data=ordered code pushed out to btrfs-unstable

[Ric Wheeler <ricwheeler@gmail.com>]

Chris Mason wrote:
> On Fri, 2008-07-18 at 16:09 -0400, Ric Wheeler wrote:
> 
>> Just to kick the tires, I tried the same test that I ran last week on 
>> ext4. Everything was going great, I decided to kill it after 6 million 
>> files or so and restart.
>>
>> The unmount has taken a very, very long time - seems like we are 
>> cleaning up the pending transactions at a very slow rate:
>>
> 
> This is a known problem, Yan will take care of it next week.  You've got
> the right idea, cleaning old snapshots does more IO than it should.
> 
> The good news is that if you hit reset and mount again, it'll pick up
> where it left off.  The bad news is it'll be be just as slow as last
> time around ;)
> 
>> Jul 18 16:06:04 localhost kernel: cleaner awake
>> Jul 18 16:06:04 localhost kernel: cleaner done
>> Jul 18 16:06:34 localhost kernel: trans 188 in commit
>> Jul 18 16:06:35 localhost kernel: trans 188 done in commit
> 
> And these I meant to get rid of
> 
> -chris
> 
> 

I will just restart it to get the timings. It was looking quite good in the 
initial few data points,

ric