Re: How to re-use default sequential filenames?

[Jens Axboe <axboe@kernel.dk>]

On Wed, Apr 10 2013, Alan Hagge wrote:
> On 04/08/2013 04:17 AM, Jens Axboe wrote:
> >On Mon, Apr 08 2013, Michal Šmucr wrote:
> >>2013/4/5 Jens Axboe<axboe@kernel.dk>:
> >>>and then 'write' and 'read' job would be sharing those files. Let me
> >>>know if it works for you.
> >>Thank you for patch Jens.
> >>Re-using files working for me and i also like that string format
> >>specification. Compiled with last git and tested on Mac OS X and
> >>Centos 5.
> >>I played with fio and sequence tests, it already helps me to get
> >>figures much closer to real world utilization. I always struggled with
> >>generic synthetic benchmarks as it usually don't work with sequences.
> >>So i can roughly set IO sizes, modes, but for example can't simulate
> >>performance differences caused by different file allocation between
> >>one huge file (with few extents due to filesystem internal
> >>optimization) and thousands of files.
> >>Great!
> >Thanks for testing and confirming that it both works and that the
> >semantics make sense. I tagged 2.0.15 this morning and kept a few
> >pending features/fixes in a 'next' branch, all have been pulled into the
> >master branch. So the filename_format option is now in current -git,
> >though it did not make 2.0.15 final.
> I too was able to compile the git version and try a test this morning and it
> looks to be working just fine.  This will help us immensely.  Thanks for the
> quick response and flexible solution!

Excellent, glad it works for you, Alan.

-- 
Jens Axboe