It is not possible to query across measurements, there are no JOINs, etc. We generally recommend that all series with a similar field set be grouped under the same measurement. It's also advantageous to have multiple fields per point. Given all that, I'd recommend the latter:
car,id=1 tank_level=0.5,speed=10 <timestamp> On Mon, Jul 11, 2016 at 10:19 AM, Emiliano Heyns < [email protected]> wrote: > I understand the concepts of tags, fields and measurements, but not when > to choose between tags and measurements. I collect data for several cars, > and for each car I collect some 60 signals like speed and tank level. Would > I insert that as > > speed,car=1 value=10 > tanklevel,car=1 value=0.5 > > or something like > > car,id=1 tanklevel=0.5,speed=10 > > I'd want to correlate these values at a given timestamp later. > > -- > Remember to include the InfluxDB version number with all issue reports > --- > You received this message because you are subscribed to the Google Groups > "InfluxDB" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/influxdb. > To view this discussion on the web visit > https://groups.google.com/d/msgid/influxdb/80f9b537-5d81-464e-8b46-b33245e5da44%40googlegroups.com > <https://groups.google.com/d/msgid/influxdb/80f9b537-5d81-464e-8b46-b33245e5da44%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Sean Beckett Director of Support and Professional Services InfluxDB -- Remember to include the InfluxDB version number with all issue reports --- You received this message because you are subscribed to the Google Groups "InfluxDB" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/influxdb. To view this discussion on the web visit https://groups.google.com/d/msgid/influxdb/CALGqCvMKsojubsQH2dZ5TpYyJQ59EX-VecL8UeN_hjdfjkdobA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
