2018-04-03 Meeting notes: metrics demo

Date

03 Apr 2018

Demo of metrics offerings as they exist for RNode-0.2.1 to help make decisions about next steps for future releases

Time	Item	Who	Notes
	Demo
	Docker compose		Requires maintenance Limits those working in more professional environments More for a getting started audience Requires testing with each release
			Node to run with Prometheus integration When you run the node in the default mode, Prometheus needs to be able to scrape This is in place Next step Expose extensive metrics on the system and JVM Node to expose the metrics Metrics to expose for Node-0.3 CPU - CPU seconds consumed, it's a counter, CPU seconds consumed/interval of scraping Ram Disk Network core metrics at the node level JVM performance Garbage collection Size of memory pools Consumption of memory pools Doc needs to describe how to integrate with an existing Prometheus, (if wanted) how to integrate with Docker compose Doc how to export metrics from Scala Pawel to create template Jeremy can then fill it out Testing metrics We need to create test to validate the outcomes Node comes up Node publishes metrics Metrics are scrapable with Prometheus Metrics are scrapable with Docker compose and match At end Rholang team should be able to integrate with the metric monad to look at performance Everyone needs to be able to find the Kamon interface and interact with it Need a doc for this Need a doc for how to capture metrics Don't d Publish counters and not gauges Publish the numerator and denominator as separate metrics IDEA get Pawel to write one metric in the way he likes as an example Set up a session and record