On Mon, 23 Mar 2020 at 12:38, Milano Nicolum <[email protected]> wrote:
> Hi, > at the moment I use prometheus-java-client 0.8.1 with out of the box > HTTPServer to expose metrics on my K8S pods and Prometheus discovery to > scrape them. > I just wonder if there is any particular reason to use fixedThreadPool of > size 5 as default. - > https://github.com/prometheus/client_java/blob/master/simpleclient_httpserver/src/main/java/io/prometheus/client/exporter/HTTPServer.java#L167 > It's a hardcoded value, and it seems unlikely that you'd have 5 scrapes at once so it's a conservative choice. Brian > > > As the metrics endpoint is usually accessed by prometheus scrape only I > feel as 5 threads are quite a luxury to have on every pod. I wonder if > there is any response time based reasoning behind the pool size or some > situation I still have to experience. > > https://github.com/prometheus/client_java/blob/master/simpleclient_httpserver/src/main/java/io/prometheus/client/exporter/HTTPServer.java#L167 > > While I guess the default HTTPServer could be replace by different > implementation I just want to know what setup is the most lightweight and > reliable at the same time. > Thanks, > Milan. > > -- > 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/9e57f6c6-51ad-49c0-8c9a-b3f58945143a%40googlegroups.com > <https://groups.google.com/d/msgid/prometheus-users/9e57f6c6-51ad-49c0-8c9a-b3f58945143a%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Brian Brazil www.robustperception.io -- 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/CAHJKeLr2FU1F0EYr73R4YimH%3D-77EP2LTSoSbPOXCOx56%3Dm5uQ%40mail.gmail.com.
