HA on Frytea

HA on Frytea https://frytea.com/tags/ha/ Recent content in HA on Frytea Frytea https://frytea.com/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E https://frytea.com/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E Hugo zh-cn Sat, 14 Dec 2024 14:59:30 +0000 HA 可用性表格 https://frytea.com/archives/1401/ Sat, 14 Dec 2024 14:59:30 +0000 https://frytea.com/archives/1401/ <table> <thead> <tr> <th>Availability %</th> <th>Downtime per year</th> <th>Downtime per quarter</th> <th>Downtime per month</th> <th>Downtime per week</th> <th>Downtime per day (24 hours)</th> </tr> </thead> <tbody> <tr> <td>90% (“one nine”)</td> <td>36.53 days</td> <td>9.13 days</td> <td>73.05 hours</td> <td>16.80 hours</td> <td>2.40 hours</td> </tr> <tr> <td>95% (“one nine five”)</td> <td>18.26 days</td> <td>4.56 days</td> <td>36.53 hours</td> <td>8.40 hours</td> <td>1.20 hours</td> </tr> <tr> <td>97% (“one nine seven”)</td> <td>10.96 days</td> <td>2.74 days</td> <td>21.92 hours</td> <td>5.04 hours</td> <td>43.20 minutes</td> </tr> <tr> <td>98% (“one nine eight”)</td> <td>7.31 days</td> <td>43.86 hours</td> <td>14.61 hours</td> <td>3.36 hours</td> <td>28.80 minutes</td> </tr> <tr> <td>99% (“two nines”)</td> <td>3.65 days</td> <td>21.9 hours</td> <td>7.31 hours</td> <td>1.68 hours</td> <td>14.40 minutes</td> </tr> <tr> <td>99.5% (“two nines five”)</td> <td>1.83 days</td> <td>10.98 hours</td> <td>3.65 hours</td> <td>50.40 minutes</td> <td>7.20 minutes</td> </tr> <tr> <td>99.8% (“two nines eight”)</td> <td>17.53 hours</td> <td>4.38 hours</td> <td>87.66 minutes</td> <td>20.16 minutes</td> <td>2.88 minutes</td> </tr> <tr> <td>99.9% (“three nines”)</td> <td>8.77 hours</td> <td>2.19 hours</td> <td>43.83 minutes</td> <td>10.08 minutes</td> <td>1.44 minutes</td> </tr> <tr> <td>99.95% (“three nines five”)</td> <td>4.38 hours</td> <td>65.7 minutes</td> <td>21.92 minutes</td> <td>5.04 minutes</td> <td>43.20 seconds</td> </tr> <tr> <td>99.99% (“four nines”)</td> <td>52.60 minutes</td> <td>13.15 minutes</td> <td>4.38 minutes</td> <td>1.01 minutes</td> <td>8.64 seconds</td> </tr> <tr> <td>99.995% (“four nines five”)</td> <td>26.30 minutes</td> <td>6.57 minutes</td> <td>2.19 minutes</td> <td>30.24 seconds</td> <td>4.32 seconds</td> </tr> <tr> <td>99.999% (“five nines”)</td> <td>5.26 minutes</td> <td>1.31 minutes</td> <td>26.30 seconds</td> <td>6.05 seconds</td> <td>864.00 milliseconds</td> </tr> <tr> <td>99.9999% (“six nines”)</td> <td>31.56 seconds</td> <td>7.89 seconds</td> <td>2.63 seconds</td> <td>604.80 milliseconds</td> <td>86.40 milliseconds</td> </tr> <tr> <td>99.99999% (“seven nines”)</td> <td>3.16 seconds</td> <td>0.79 seconds</td> <td>262.98 milliseconds</td> <td>60.48 milliseconds</td> <td>8.64 milliseconds</td> </tr> <tr> <td>99.999999% (“eight nines”)</td> <td>315.58 milliseconds</td> <td>78.89 milliseconds</td> <td>26.30 milliseconds</td> <td>6.05 milliseconds</td> <td>864.00 microseconds</td> </tr> <tr> <td>99.9999999% (“nine nines”)</td> <td>31.56 milliseconds</td> <td>7.89 milliseconds</td> <td>2.63 milliseconds</td> <td>604.80 microseconds</td> <td>86.40 microseconds</td> </tr> <tr> <td>99.99999999% (“ten nines”)</td> <td>3.16 milliseconds</td> <td>788.40 microseconds</td> <td>262.80 microseconds</td> <td>60.48 microseconds</td> <td>8.64 microseconds</td> </tr> <tr> <td>99.999999999% (“eleven nines”)</td> <td>315.58 microseconds</td> <td>78.84 microseconds</td> <td>26.28 microseconds</td> <td>6.05 microseconds</td> <td>864.00 nanoseconds</td> </tr> <tr> <td>99.9999999999% (“twelve nines”)</td> <td>31.56 microseconds</td> <td>7.88 microseconds</td> <td>2.63 microseconds</td> <td>604.81 nanoseconds</td> <td>86.40 nanoseconds</td> </tr> </tbody> </table> <h2 id="references">References</h2> <ul> <li><a href="https://en.wikipedia.org/wiki/High_availability">High availability - Wikipedia</a></li> </ul>