[CentOS] leap second and Centos

Thu Jan 15 21:00:38 UTC 2015
Rob Kampen <rkampen at reaching-clients.com>

On 01/16/2015 07:05 AM, Akemi Yagi wrote:
> On Thu, Jan 15, 2015 at 9:04 AM, Akemi Yagi <amyagi at gmail.com> wrote:
>> On Thu, Jan 15, 2015 at 8:43 AM, G Galitz <geoff at galitz.org> wrote:
>>> We have another leap second coming.  Have past bugs with Centos and leap
>>> seconds (specifically high CPU spikes) been resolved? Should we be worried?
>> Apparently Red Hat is well aware of the upcoming leap second:
>> https://access.redhat.com/solutions/1317263
>> Unfortunately all the related bugzilla reports are private so we
>> cannot see the status.
> The bugzilla reports are no longer private (thanks to whoever made them public).
> https://bugzilla.redhat.com/show_bug.cgi?id=1181933  (EL5)
> https://bugzilla.redhat.com/show_bug.cgi?id=1180536  (EL6)
> https://bugzilla.redhat.com/show_bug.cgi?id=1181970  (EL7)
Fascinating - describes what's happening but no mention of how we can 
rest assured that all will be well....
As I ponder it, I recognise that most of our systems are constantly 
calculating date/time values based upon the epoch - the number of 
seconds since a particular date/time, all these calculations need to be 
cognisant of these leap seconds, so its not just the ntp daemon, 
although that will be most immediately impacted, the effects of this 
need to be enshrined in code algorithms forever (well a very long time).
> Akemi
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