Robert Milkowski writes:
> bash-3.00# dtrace -n fbt::txg_quiesce:return'{printf("%Y ",walltimestamp);}'
> dtrace: description 'fbt::txg_quiesce:return' matched 1 probe
> CPU ID FUNCTION:NAME
> 3 38168 txg_quiesce:return 2007 Feb 12 14:08:15
> 0 38168 txg_quiesce:return 2007 Feb 12 14:12:14
> 3 38168 txg_quiesce:return 2007 Feb 12 14:15:05
> ^C
>
>
>
> Why I do not see it exactly every 5s?
> On other server I get output exactly every 5s.
>
>
I am not sure about this specific funtion but if the
question is the same as why is the pool synching more often
than 5sec, then that can be because of low memory condition
(if we have too much dirty memory to sync we don't wait the
5 seconds.). See arc_tempreserve_space around (ERESTART).
-r
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