mirror of
https://github.com/donnemartin/system-design-primer.git
synced 2025-12-16 18:08:56 +03:00
Math corrected on availability in parallel as per PR comment
This commit is contained in:
@@ -566,7 +566,7 @@ For two components with `99.9%` availability, total availability in sequence com
|
||||
The overall availability increases when two components with availability < 100% are connected in parallel. For two components `Foo` and `Bar` connected in parallel, the total availability comes out to be:
|
||||
|
||||
```
|
||||
Availability (Total) = (1 - Availability (Foo)) * (1- Availability (Bar))
|
||||
Availability (Total) = 1 - (1 - Availability (Foo)) * (1- Availability (Bar))
|
||||
```
|
||||
|
||||
Given that Foo and Bar are independent, it's the probablity atlease one of them to be available at any given moment of time.
|
||||
|
||||
Reference in New Issue
Block a user