(and of course in step 2, you would also do whatever metric renamings you want to do in the dumped file)
On Mon, Apr 25, 2022 at 2:25 PM Julius Volz <[email protected]> wrote: > Hi Amin, > > There's no built-in way to do 2) in Prometheus, so either you would have > to build new tooling (probably in Go) for this or maybe it could be done in > a relatively inefficient way like this: > > 1) Use "promtool tsdb dump" to dump your old data into a file. > 2) Change the formatting of that file to valid OpenMetrics (e.g. insert "# > EOF" to terminate metric groups, etc., see for example "OpenMetrics > Novelties" in https://sysdig.com/blog/openmetrics-is-prometheus-unbound/). > 3) Delete the old TSDB block dirs in your Prometheus data directory. > 4) Backfill the OpenMetrics file using "promtool tsdb create-blocks-from > openmetrics" (see > https://prometheus.io/docs/prometheus/latest/storage/#backfilling-from-openmetrics-format > ) > > On Sun, Apr 17, 2022 at 12:54 PM Amin Borjian <[email protected]> > wrote: > >> Hi. >> >> We are looking to rename some of the metrics name (metric X -> Y). >> However, we do not want lose old data that has already been collected and >> stored by Prometheus in TSDB. history of metric is important for us. >> >> We are looking for the following way: >> 1) Change the name of the metric, as a result of which the metric will be >> saved with a new name from now on. >> 2) After the above change, change the name of the old metrics in the >> Prometheus database. >> >> But we did not find a way for the second part. Is there no way for it in >> Promehteus? In this case, what should be done in our scenario? >> >> Thank you for your help. >> >> -- >> 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/ff915f6f-d9ee-4dd8-a0c0-2cd721df8792n%40googlegroups.com >> <https://groups.google.com/d/msgid/prometheus-users/ff915f6f-d9ee-4dd8-a0c0-2cd721df8792n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > Julius Volz > PromLabs - promlabs.com > -- Julius Volz PromLabs - promlabs.com -- 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/CAObpH5wc_vLqpcnxq0jxd6s%3D_emtoor%3Dmd1M9HSTvXbOtZ_Y1Q%40mail.gmail.com.
