https://hub.docker.com/r/dylanmei/mtail/

https://github.com/google/mtail

• https://github.com/google/mtail/wiki/Deploying

  mtail

  -graphite_host_port string Host:port to graphite carbon server to write metrics to. -graphite_prefix string Prefix to use for graphite metrics.

https://prometheus.io/docs/practices/histograms/

https://github.com/google/mtail/wiki/Interoperability

https://github.com/google/mtail/wiki/Metrics

Example https://github.com/google/mtail/blob/master/examples/apache_combined.mtail

apachetop https://www.datadoghq.com/blog/collect-apache-performance-metrics/

https://httpd.apache.org/docs/current/mod/mod_log_config.html

• It fails silenttly you need the name up there
• you need the histogram to be correct

https://prometheus.io/docs/concepts/metric_types/

here about +Inf

https://github.com/google/mtail/blob/master/examples/apache_metrics.mtail

https://github.com/google/mtail/blob/master/examples/apache_metrics.mtail

https://www.youtube.com/watch?v=67Ulrq6DxwA

Articles

Do not overuse labels https://prometheus.io/docs/practices/instrumentation/#do-not-overuse-labels

good article about histograms http://linuxczar.net/blog/2017/06/15/prometheus-histogram-2/

https://www.dynatrace.com/news/blog/why-averages-suck-and-percentiles-are-great/

https://engineering.linkedin.com/performance/who-moved-my-99th-percentile-latency