slowdown of zfs (tx->tx)

[Nicolas Rachinsky]

* Andriy Gapon <avg at FreeBSD.org> [2013-01-16 11:39 +0200]:
> on 16/01/2013 02:16 Artem Belevich said the following:
> > It appears that lots of threads are stuck in
> > metaslab_activate->space_map_load_wait path.
> 
> another thing to check - is your pool nearly full.

Don't think so:
NAME                                 USED  AVAIL  REFER  MOUNTPOINT
pool1                               5.52T   697G  11.9M  /pool1

Nicolas
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