英文:
Using grafana counter to visualize weather data
问题
我正在尝试使用Grafana可视化我的天气数据。我已经完成了Prometheus部分，现在我面临一个问题已经困扰我很长时间。
我创建了一个计数器，每五分钟添加一次室内温度。
var tempIn = prometheus.NewCounter(prometheus.CounterOpts{
Name: "tempin",
Help: "Temperature indoor",
})
for {
tempIn.Add(station.Body.Devices[0].DashboardData.Temperature)
time.Sleep(time.Second*300)
}
我该如何可视化这些数据，以显示当前温度并将其存储无限长时间，以便我可以在1年后查看，就像正常的图表一样？
tempin{instance="localhost:9999"}只会显示累加的温度，对我来说没有用。我需要当前的温度，而不是累加的温度。我还尝试了rate(tempin{instance="localhost:9999"}[5m])。
如何解决这个问题？
英文:
I'm trying to visualize my weather data using grafana. I've already made the prometheus part and now I face an issue that hunts me for quite a while.
I created an counter that adds temperature indoor every five minutes.
var tempIn = prometheus.NewCounter(prometheus.CounterOpts{
Name: "tempin",
Help: "Temperature indoor",
})
for {
tempIn.Add(station.Body.Devices[0].DashboardData.Temperature)
time.Sleep(time.Second*300)
}
How can I now visualize this data that it shows current temperature and stores it for unlimited time so I can look at it even 1 year later like an normal graph?
tempin{instance="localhost:9999"} will only display added up temperature so its useless for me. I need the current temperature not the added up one. I also tried rate(tempin{instance="localhost:9999"}[5m])
How to solve this issue?
答案1
得分: 1
虽然计数器不是这种用例的最佳解决方案，但你可以使用增加运算符。
Increase(tempin{instance="localhost:9999"}[5m])
这将告诉你计数器在过去的五分钟内增加了多少。
英文:
Although a counter is not the best solution for this use case, you can use the operator increase.
Increase(tempin{instance="localhost:9999"}[5m])
This will tell you how much the counter increased in the last five minutes
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