I came to the comments for the same question about non-linear smearing. I found more details and motivation in this article: https://developers.redhat.com/blog

I came to the comments for the same question about non-linear smearing. I found more details and motivation in this article: https://developers.redhat.com/blog/2015/06/01/five-different-ways-handle-leap-seconds-ntp https://developers.redhat.com/blog/2015/06/01/five-different...