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Availability fact check (four 9s downtime per week is off) and roundings #803

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Availability fact check (four 9s downtime per week is off) and roundings #803

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10 changes: 5 additions & 5 deletions README.md
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Expand Up @@ -540,18 +540,18 @@ Availability is often quantified by uptime (or downtime) as a percentage of time

| Duration | Acceptable downtime|
|---------------------|--------------------|
| Downtime per year | 8h 45min 57s |
| Downtime per month | 43m 49.7s |
| Downtime per year | 8h 45min 57.6s |
| Downtime per month | 43m 49.8s |
| Downtime per week | 10m 4.8s |
| Downtime per day | 1m 26.4s |

#### 99.99% availability - four 9s

| Duration | Acceptable downtime|
|---------------------|--------------------|
| Downtime per year | 52min 35.7s |
| Downtime per month | 4m 23s |
| Downtime per week | 1m 5s |
| Downtime per year | 52min 35.8s |
| Downtime per month | 4m 23.0s |
| Downtime per week | 1m 0.5s |
| Downtime per day | 8.6s |

#### Availability in parallel vs in sequence
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