feat(metrics): Add cumulative transaction counters to improve observability

[hoank101]

Closes #12211

[onbjerg]

please also remove open_total, and replace any usage of it on the grafana dashboards with opened_total - closed_total

[hoank101]

hi @onbjerg please help me review it

[mattsse]

lgtm, pending dashboard update

[onbjerg]

lgtm pending dashboard update as well. any progress on this ? @hoank101

[hoank101]

hi @onbjerg how to update dashboard? can you show me how

[mattsse]

looks like we need a new entry here

reth/etc/grafana/dashboards/overview.json

Line 1727 in f7dc27f

"expr": "sum(reth_database_transaction_open_total{instance=~\"$instance\"}) by (mode)",

also not familiar, so ptal @onbjerg

[emhane]

cool change!

[onbjerg]

See https://github.com/paradigmxyz/reth/tree/main/etc#grafana

[hoank101]

i just updated the metrics, @onbjerg please help me review, thanks

[codspeed-hq]

CodSpeed Performance Report

Merging #12273 will not alter performance

_{Comparing hoank101:feat/12211 (4d5cfe5) with main (0b135a2)}

Summary

✅ 77 untouched benchmarks

[Rjected]

lgtm, thanks! will add a followup issue for making the dashboard track open - closed