| Re: [chrony-dev] Slow bootup with git |
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On Mon, Apr 16, 2012 at 02:48:14AM +0100, Ed W wrote:
> Hi, I have adjusted my boot scripts to use chrony in place of
> hwclock to set rtc at boot. However, I note that "chrony -r" takes
> about 8-10 seconds on my system (which blocks boot). I haven't
> re-measured the previous version, but I don't recall this delay.
>
> I'm surfing the recent git commits and I presume it's this which
> changes the timings:
> http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git;a=commitdiff;h=1d2a0856b40e4cc7638f6878b9cd5891fdefbea6
Yes, that's the patch. The idea was that you can safely start
applications sensitive to clock steps after the chronyd foreground
process exited.
> Could you give some thought as to whether there is some performance
> improvement could be made here? I would prefer not to revert to
> hwclock if possible?
You can start chronyd in background, if you don't care that the
services started after might see a step in the system clock. I think
that would be pretty much the same as it was before that commit.
--
Miroslav Lichvar
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