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Making statements based on opinion; back them up with references or personal experience. An important detail to note is the "access mode drop-down", which has two options: server and browser. Combined as above shows empty graph. kind/feature request, I havent tried this myself, but in theory its possible these days with Flux; see https://www.influxdata.com/blog/influxdb-how-to-do-joins-math-across-measurements/ Hi, I am using Influx 1.7 and grafana I need to get difference between two unix timestamp in seconds, as per below query, SELECT $__to - "timestamp" as "DIFF" FROM . Prometheus Counters and how to deal with them - INNOQ Line width is a slider that controls the thickness for series lines or the outline for bars. Really have no idea what should I replace "field" with in this case, and what about group by time(15m) here? Note: This transformation is not available for Graphite because this data source does not support correlating returned data with queries. True when all values are 0. Will CancelOrderSent always return 0 or a negative number? Grafana. This is my current chart: but this works fine if we have different fields from the same measurement, but this does not work (for me) when adding values from different measurements. calculate difference between two queries in grafana The data are streamed from InfluxDB every 15 minutes with different timing. This transformation is very useful if your data source does not natively filter by values. Keep the first row in each input table. Takes one metric or a wildcard seriesList followed by an aggregation function and an optional reverse parameter. Hi, With upcoming Grafana v5.4.0 you'll be able to say that the alert condition should trigger for some time before actually alerting . Time fields are removed when applying this transformation. If you can help me with more detailed answer. Using Kolmogorov complexity to measure difficulty of problems? Use influx.The problem is that the difference should be made between two different measures. First you specify one or multiple fields to group the data by. 2. In the before image, you can see everything is prefixed with system. Is it plausible for constructed languages to be used to affect thought and control or mold people towards desired outcomes? SELECT mean("house_power")-mean("device_power") FROM "power" WHERE $timeFilter GROUP BY time($interval), Maybe the documentation helps you also about function DIFFERENCE(), DIFFERENCE() is for the difference between field values, not between fields, Powered by Discourse, best viewed with JavaScript enabled, [VERY NEWBIE ] Show difference between two graphs values, Difference between multiple values in one measurements with InfluxDB. I would note that selecting difference will give you the length of the span from that negative to positive integer. Hi, If using Linux, you may need to update your package configuration to continue