Documentation/op-guide: promote db size metric in grafana.json
"steppedLine": false,
"targets": [
{
- "expr": "etcd_debugging_mvcc_db_total_size_in_bytes{job=\"$cluster\"}",
+ "expr": "etcd_mvcc_db_total_size_in_bytes{job=\"$cluster\"}",
"hide": false,
"interval": "",
"intervalFactor": 2,
