What Atlassian application administrators need to know about the “leap second” bug lurking in your systems
The upcoming leap-second adjustment will happen on June 30, 2015 at 23:59:60. And as far as your Atlassian applications are concerned, you can get out in front of it this time.
A leap second is a one-second adjustment that is occasionally applied to UTC (Coordinated Universal Time) in order to keep its time of day close to the mean solar time. The most recent leap second insertion happened on June 30, 2012 at 23:59:60 and caused disruptions in computing systems all around the world. Check out Wired’s article ‘Leap Second’ Bug Wreaks Havoc Across the Web for a little history.