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High availability (HA) is a characteristic of a system that aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. [ 1 ] There is now more dependence on these systems as a result of modernization.
Most web hosts offer a 99.9% uptime guarantee and when uptime is less than that, individuals can be refunded for the excessive downtime. ... 87 hours, 36 minutes 99.9 ...
Uptime is a measure of system reliability, expressed as the period of time a machine, typically a computer, has been continuously working and available. Uptime is the opposite of downtime. Htop adds an exclamation mark when uptime is longer than 100 days.
Five-9's (99.999%) means less than 5 minutes when the system is not operating correctly over the span of one year. Availability is only meaningful for supportable systems. As an example, availability of 99.9% means nothing after the only known source stops manufacturing a critical replacement part.
Our bodies have 3 billion genetic building blocks, or base pairs, that make us who we are. And of those 3 billion base pairs, only a tiny amount are unique to us, making us about 99.9% genetically ...
In this context, a "one nine" (90%) uptime indicates a system that is available 90% of the time or, as is more commonly described, unavailable 10% of the time – about 72 hours per month. [8] A "five nines" (99.999%) uptime describes a system that is unavailable for at most 26 seconds per month. [8]
Availability is usually expressed as a percentage of uptime in a given year: Availability Downtime per year 99.9% 8.76 hours 99.99% 1 hour 99.999% 5 minutes
The biggest change that we needed to have really was to free up time from our salespeople to stop doing account management and to put all of their focus and effort into selling. ... I mean, the ...