grafana: filter out untouched storage command
"multi": true,
"name": "command",
"options": [],
- "query": "label_values(tikv_storage_command_total{tidb_cluster=\"$tidb_cluster\"}, type)",
+ "query": "query_result(tikv_storage_command_total{tidb_cluster=\"$tidb_cluster\"} != 0)",
"refresh": 1,
- "regex": "",
+ "regex": "/type=\"([^\"]+)\"/",
"skipUrlSync": false,
"sort": 1,
"tagValuesQuery": "",
