Still seeing hangs in xlog_grant_log_space

[Dave Chinner]

On Wed, May 09, 2012 at 04:07:52PM -0500, Mark Tinguely wrote:
> On 05/09/12 02:35, Dave Chinner wrote:
> 
> >
> >Transaction	 Wait queues	 Grant head	 Write Head	 Log head	 Log tail
> >-----------------------------------------------------------------------------------------
> >INACTIVE         empty empty     118 438024      118 438024      118 802         118 697
> >INACTIVE         empty empty     119 20240       119 20240       118 802         118 697
> >REMOVE           empty empty     118 438456      118 438456      118 802         118 697
> >REMOVE           empty empty     118 438772      118 438772      118 802         118 697
> >CREATE           empty empty     119 35872       119 35872       118 802         118 697
> >FSYNC_TS         active empty    119 205428      119 205428      118 802         118 697
> >FSYNC_TS         active empty    119 202944      119 202944      118 802         118 697
> >FSYNC_TS         active empty    119 200664      119 200664      118 802         118 697
> >REMOVE           empty empty     118 380316      118 380316      118 724         118 652
> >INACTIVE         empty empty     118 552532      118 552532      118 724         118 652
> >FSYNC_TS         empty empty     118 382140      118 382140      118 724         118 652
> >INACTIVE         empty empty     118 565968      118 565968      118 724         118 652
> >REMOVE           empty empty     119 25404       119 25404       118 802         118 697
> >INACTIVE         active empty    119 25580       119 25580       118 802         118 697
> 
> 
> 
> Just so you don't go down a blind alley, the timestamp on the log
> went backwards there. If you resort on the time stamps this does not
> go backwards.

Yup, you are right, timestamps jump around, so that may not be the cause.

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com