Hi Brian, Thank you very much for replying
I meant push because I am using pushgateway in python prometheus client I will definitely consider counter for this But Out of 3 drifts - I want a spike in bar chart whenever a drift occurs Like this Regards, Yegna On Wed, Feb 16, 2022 at 12:37 Brian Candler <[email protected]> wrote: > It sounds like you're attacking this from the wrong direction. > > What I believe you want is a counter of drift events. Each time a drift > event occurs, you increment the counter. 0 to 1, 1 to 2, 2 to 3 etc. Never > reset it to 0. This is the standard and most useful way to handle such > data in Prometheus. Using a proper counter also handles edge cases that > you might not have considered, such as two of these "drift events" > occurring between scrapes. > > You can the write queries (e.g. for alerts) which will tell you whether > the counter has increased in the last 10 minutes, or the last hour, or > whatever. Such things *will* naturally reset to zero. For example, here's > an alerting rule I use: > > expr: increase(megaraid_pd_shield_counter[72h]) > 0 > > This gives an alarm whenever the counter has increased; when it *hasn't* > increased for 72 hours then the alert is cleared. > > P.S. Note that you don't "push" a value to prometheus; prometheus "pulls" > a value by scraping the exporter. > > On Wednesday, 16 February 2022 at 15:29:50 UTC [email protected] > wrote: > >> Hi Brian, >> >> Good day, >> >> I have a code that monitors a drift in data >> >> If drift happens I need to push value 1 to prometheus >> Default 0 , issue is when I set gauge as 1, It is 1 till I set it back to >> 0 >> >> Is there any metric where I can push the value 1 and it resets to 0 >> automatically ? >> >> Regards, >> Yegna >> >> >> >> On Fri, Jan 21, 2022 at 04:35 Brian Candler <[email protected]> wrote: >> >>> > I have considered the grafana data source option but I found a plugin >>> for mongoDb which is available only in enterprise grafana >>> > >>> > So do you suggest me to create a data source for mongoDB in grafana ? >>> >>> That's a grafana question, not a prometheus question; it would be better >>> asked in the grafana community <https://community.grafana.com/>. >>> >>> > And regarding 2 and 3 - since we use python - Is prometheus-python >>> client API useful to directly write to prometheus ? (remote write protocol) >>> >>> If you mean https://github.com/prometheus/client_python, then as far as >>> I know it's only an exporter, not a remote write client. Remote write was >>> option 3. You could send data to vector.dev using one of its many >>> source adapters, and let it do the remote write >>> <https://vector.dev/docs/reference/configuration/sinks/prometheus_remote_write/> >>> for you. >>> >>> In option 2, what I was thinking was that you could expose the data as a >>> regular exporter, at the same time as you write it to MongoDB. Prometheus >>> can then scrape this as normal, i.e. it will scrape the *most recent" >>> updated value only. >>> >>> -- >>> >> You received this message because you are subscribed to the Google Groups >>> "Prometheus Users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> >> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/prometheus-users/a84587cb-9db9-496c-a7f8-e1442c16a8e2n%40googlegroups.com >>> <https://groups.google.com/d/msgid/prometheus-users/a84587cb-9db9-496c-a7f8-e1442c16a8e2n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > You received this message because you are subscribed to the Google Groups > "Prometheus Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/prometheus-users/1e9affbe-96b4-4cdd-86e7-2b93543ab117n%40googlegroups.com > <https://groups.google.com/d/msgid/prometheus-users/1e9affbe-96b4-4cdd-86e7-2b93543ab117n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/CAOBTUyVZ%3D%2B6Vy7yvd%2B%3DSGRLJm1cdqtArJGLcVf_9MEN0K273Pw%40mail.gmail.com.
