Up to which level is that true? If I have several sensors recording at a different time, I guess I should use the sensor name as a tag instead of having a field for each sensor and only one field filled filled per point? What would be the upsides and downsides of the two solutions?
On Thursday, 7 July 2016 23:00:37 UTC+2, Sean Beckett wrote: > InfluxDB does not store null values in any way. There is no performance or > storage penalty from having a field that appears on only one or some points > in a measurement. > > > Note that if you explicitly write field=0, or field="0" or field="null" the > system will store that as a number, string, and string, respectively. A point > with field= will be invalid and fail to write. A point that does not mention > a field at all will store nothing for that field. > > > On Thu, Jul 7, 2016 at 11:25 AM, <[email protected]> wrote: > If I have a measurement that has a lot of fields, and during some of the > entries that are a large amount of the fields which are not used. Does influx > waste any space by having empty values for those fields. My other option was > to split the fields up into different measurements, but then this would > increase the series cardinality, because all measurments would have 2 tags, > which would each be the same two tags for each measurement. > > > > -- > > 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/b5853037-d612-434d-ac66-6b3cc667d065%40googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. > > > > > > -- > > > Sean Beckett > Director of Support and Professional Services > InfluxDB -- Remember to include the version number! --- You received this message because you are subscribed to the Google Groups "InfluxData" 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/a60014fb-b5b2-4d72-9221-74c8784ec2a9%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
