monitoring: apm-server monitoring metrics maintenance #13731
Description
Follow up items from #13475
- Determine a long term strategy to maintain apm server monitoring metrics mapping in various places as stated in monitoring: apm-server only ships a subset of monitoring metrics #13475
- Add monitoring stats to mapping script #13638 was created to solve monitoring: apm-server only ships a subset of monitoring metrics #13475 . See if it is appropriate to be added to the repo and to be maintained.
- Stats mappings are fixed post monitoring: apm-server only ships a subset of monitoring metrics #13475 but state mappings aren't.
- Stack monitoring uses metrics that are no longer emitted by apm-server: Remove use of beats_stats.metrics.apm-server.server.response.errors.concurrency kibana#187882