I agree that deaman is the correct answer but still these illogical behaviors are really frustrating when you are trying to get something to work :(
On 7 November 2016 at 17:49, <[email protected]> wrote: > Julien, > > Deadman is the answer here, it is designed with this exact use case in > mind. I have replied to your other post, we should be able to get it > working shortly. > > > > On Monday, November 7, 2016 at 9:06:11 AM UTC-7, Julien Ammous wrote: >> >> Thanks for your reply, having COUNT() return null makes no sense to mean >> but I suppose that's a design choice, it does not explains my second issue >> though, is there any way to do what I wanted ? >> >> I tried this since deadman does not appear to work either for me (my >> other post on the mailing list), I initially hoped that kapacitor might >> help me remove my own code to raise the alert but I doubt that more and >> more as I play with it... :( >> >> >> On 7 November 2016 at 16:38, Sean Beckett <[email protected]> wrote: >> >>> COUNT returns null, not zero, if there are no matching points: >>> https://github.com/influxdata/influxdb/issues/6412 >>> >>> On Mon, Nov 7, 2016 at 3:49 AM, Julien Ammous <[email protected]> wrote: >>> >>>> Hi, >>>> I still trying to figure out how tick scripts works, my latest attempt >>>> is this: >>>> >>>> batch >>>> |query('select COUNT(*) from metrics.raw.loss') >>>> .period(10s) >>>> .every(10s) >>>> .groupBy(time(10s)) >>>> |httpOut('out') >>>> >>>> I also tried that way: >>>> >>>> batch >>>> |query('select * from metrics.raw.loss') >>>> .period(10s) >>>> .every(10s) >>>> |count('value') >>>> |httpOut('out') >>>> >>>> >>>> In both cases I get weird results... >>>> >>>> My first issue is that the http endpoint contains nothing as long as no >>>> points are returned by the query, which makes no sense to me since I am >>>> querying the count not the data themselves >>>> >>>> The second issue is that once 1 or more row are available the http page >>>> is updated and that is fine but started from then the page will never be >>>> updated again, let's say I insert a row and wait, I will get a correct json >>>> with a count value of 1, now I insert two other rows and wait and... >>>> nothing, the http output still says count 1 and the timestamp didn't change >>>> althought I saw the query executed on the influxdb server console. >>>> >>>> That's really frustrating, a lot of hidden things seems to happen >>>> behind the scene and that's a real pain to debug, the task http endpoint >>>> helps a bit but not that much... >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> -- >>>> 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/ms >>>> gid/influxdb/e28f42ff-89cf-4d28-a0b1-cd58fae11be9%40googlegroups.com >>>> <https://groups.google.com/d/msgid/influxdb/e28f42ff-89cf-4d28-a0b1-cd58fae11be9%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 version number! >>> --- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "InfluxData" group. >>> To unsubscribe from this topic, visit https://groups.google.com/d/to >>> pic/influxdb/S6rIMs3Xeys/unsubscribe. >>> To unsubscribe from this group and all its topics, 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/ms >>> gid/influxdb/CALGqCvM-AU5hLW-LAXcDhdHZq%2BwBKcq-wbqf_ >>> thW43Y80GpzFQ%40mail.gmail.com >>> <https://groups.google.com/d/msgid/influxdb/CALGqCvM-AU5hLW-LAXcDhdHZq%2BwBKcq-wbqf_thW43Y80GpzFQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > Remember to include the version number! > --- > You received this message because you are subscribed to a topic in the > Google Groups "InfluxData" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/influxdb/S6rIMs3Xeys/unsubscribe. > To unsubscribe from this group and all its topics, 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/a6445f4a-dcab-4e19-9a2e-3415c01fff82%40googlegroups.com > <https://groups.google.com/d/msgid/influxdb/a6445f4a-dcab-4e19-9a2e-3415c01fff82%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- Remember to include the version number! --- You received this message because you are subscribed to the Google Groups "InfluxData" group. 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