The exporter consumes almost no resources. It should not be resource impacting.
Just run the exporter 1:1 with your nodes, this is the correct design, It means you are communicating over localhost with the mariadb process, which allows you to improve security by restricting the exporter user to localhost only. On Tue, Jan 18, 2022 at 7:56 PM ehsan karimi <[email protected]> wrote: > > I see. I did it with relabeling. But this option can be in the exporter > because sometimes we have no access to the MySQL's host or some another > reasons. The multi-target idea can be done as well. I have 3 mariadb nodes > and I forced to run one exporter per mariadb instance and I have 3 exporter > instances on production that is too resource consuming. > On Monday, January 17, 2022 at 11:05:51 PM UTC+3:30 [email protected] > wrote: > >> This is not supported in the exporter and we have no plans to add it. >> Most exporters use a different approach, which we recommend for exporters >> in general. >> >> Deploy the expory as a sidecar alongside the MySQL instance. In >> Kubernetes, this means an additional container in the MySQL pod. This >> solves your problem by making each MySQL+exporter pod its own scrape target >> with its own instance label. >> >> For most exporters, the way to think about them is not as a separate >> service that somehow interacts with what it is translating for (in this >> case, MySQL). Rather see the exporter as an out-of-process plugin, paired >> 1:1 with each MySQL process. For the purposes of monitoring, they are one >> unit, and when looking at metrics and alerts you don't need to worry >> whether a piece of software supports Prometheus natively or through an >> exporter. >> >> I hope this helps! >> Matthias >> >> On Mon, Jan 17, 2022, 13:01 ehsan karimi <[email protected]> wrote: >> >>> I install the mysqld-exporter on Kubernetes and when I scrape it with >>> Prometheus, the instance label will show the pod IP of the mysqld-exporter >>> instance and when we saw the MySqlIsDown alert, I don't know what MySQL >>> instance is for it. I wanna add a label to the exposed metrics to show the >>> host of MySQL. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Prometheus Developers" 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-developers/0a4a1c76-3436-4e92-be4d-e90e0e6cc069n%40googlegroups.com >>> <https://groups.google.com/d/msgid/prometheus-developers/0a4a1c76-3436-4e92-be4d-e90e0e6cc069n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > You received this message because you are subscribed to the Google Groups > "Prometheus Developers" 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-developers/74b3b95c-b37f-4356-9900-4b92413fc4ffn%40googlegroups.com > <https://groups.google.com/d/msgid/prometheus-developers/74b3b95c-b37f-4356-9900-4b92413fc4ffn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Prometheus Developers" 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-developers/CABbyFmpV4k9%3D-yZ%3DM83bVLnys-B1H%2B0vBjapKPQbr5FvsZVyzg%40mail.gmail.com.
