[ntp:questions] Google and leap seconds
david at ex.djwhome.demon.invalid
Wed Sep 21 20:31:42 UTC 2011
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> Marco Marongiu wrote:
> Would the ntpd -x (slew always) command line option
> meet your needs?
That's just a short hand for setting a 10 minute step threshold with
tinker. It makes slews unlikely, but it also turns off the kernel time
discipline resulting in a 1 second see-saw in the offset and generally
lower quality time keeping. The kernel time discipline is only
supported for step thresholds of less than 500ms.
Setting a step threshold large enough to absorb a leap second will also
turn off the kernel time discipline.
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