Interest
Proportion of Hacker News items mentioning "unavailable" over time.
Mentions
Total number of Hacker News items mentioning "unavailable" over time.
In reliability engineering, the term availability has the following meanings:The degree to which a system, subsystem or equipment is in a specified operable and committable state at the start of a mission, when the mission is called for at an unknown, i.e. a random, time. The probability that an item will operate satisfactorily at a given point in time when used under stated conditions in an ideal support environment. Read more on Wikipedia