spacewander commented on code in PR #7529:
URL: https://github.com/apache/apisix/pull/7529#discussion_r933978702
##########
docs/assets/other/json/apisix-grafana-dashboard.json:
##########
@@ -1622,6 +1622,216 @@
"timeShift": null,
"title": "Nginx metric errors",
"type": "stat"
+ },
+ {
+ "aliasColors": {},
+ "bars": false,
+ "dashLength": 10,
+ "dashes": false,
+ "datasource": "${DS_PROMETHEUS}",
+ "description": "The capacity of each nginx shared DICT since APISIX
start",
+ "fieldConfig": {
+ "defaults": {
+ "custom": {},
+ "links": []
+ },
+ "overrides": []
+ },
+ "fill": 1,
+ "fillGradient": 0,
+ "gridPos": {
+ "h": 7,
+ "w": 12,
+ "x": 0,
+ "y": 57
+ },
+ "hiddenSeries": false,
+ "id": 34,
+ "legend": {
+ "alignAsTable": false,
+ "avg": false,
+ "current": false,
+ "max": false,
+ "min": false,
+ "rightSide": false,
+ "show": true,
+ "total": false,
+ "values": false
+ },
+ "lines": true,
+ "linewidth": 1,
+ "nullPointMode": "null",
+ "options": {
+ "alertThreshold": true
+ },
+ "percentage": false,
+ "pluginVersion": "7.3.7",
+ "pointradius": 2,
+ "points": false,
+ "renderer": "flot",
+ "seriesOverrides": [],
+ "spaceLength": 10,
+ "stack": false,
+ "steppedLine": false,
+ "targets": [
+ {
+ "expr":
"sum(apisix_shared_dict_capacity_bytes{name=~\"internal-status|upstream-healthcheck|worker-events|lrucache-lock|balancer-ewma|balancer-ewma-locks|balancer-ewma-last-touched-at|etcd-cluster-health-check\",
instance=~\"$instance\"}) by (name)",
+ "instant": false,
+ "interval": "",
+ "intervalFactor": 1,
+ "legendFormat": "{{state}}",
+ "refId": "A"
+ }
+ ],
+ "thresholds": [],
+ "timeFrom": null,
+ "timeRegions": [],
+ "timeShift": null,
+ "title": "Nginx shared dict capacity",
+ "tooltip": {
+ "shared": true,
+ "sort": 0,
+ "value_type": "individual"
+ },
+ "type": "graph",
+ "xaxis": {
+ "buckets": null,
+ "mode": "time",
+ "name": null,
+ "show": true,
+ "values": []
+ },
+ "yaxes": [
+ {
+ "$$hashKey": "object:420",
+ "decimals": null,
+ "format": "decbytes",
+ "label": "",
+ "logBase": 1,
+ "max": null,
+ "min": null,
+ "show": true
+ },
+ {
+ "$$hashKey": "object:421",
+ "decimals": null,
+ "format": "Misc",
+ "label": "",
+ "logBase": 1,
+ "max": null,
+ "min": null,
+ "show": true
+ }
+ ],
+ "yaxis": {
+ "align": false,
+ "alignLevel": null
+ }
+ },
+ {
+ "aliasColors": {},
+ "bars": false,
+ "dashLength": 10,
+ "dashes": false,
+ "datasource": "${DS_PROMETHEUS}",
+ "description": "The free space of each nginx shared DICT since APISIX
start",
+ "fieldConfig": {
+ "defaults": {
+ "custom": {},
+ "links": []
+ },
+ "overrides": []
+ },
+ "fill": 1,
+ "fillGradient": 0,
+ "gridPos": {
+ "h": 7,
+ "w": 12,
+ "x": 12,
+ "y": 57
+ },
+ "hiddenSeries": false,
+ "id": 35,
+ "legend": {
+ "alignAsTable": false,
+ "avg": false,
+ "current": false,
+ "max": false,
+ "min": false,
+ "rightSide": false,
+ "show": true,
+ "total": false,
+ "values": false
+ },
+ "lines": true,
+ "linewidth": 1,
+ "nullPointMode": "null",
+ "options": {
+ "alertThreshold": true
+ },
+ "percentage": false,
+ "pluginVersion": "7.3.7",
+ "pointradius": 2,
+ "points": false,
+ "renderer": "flot",
+ "seriesOverrides": [],
+ "spaceLength": 10,
+ "stack": false,
+ "steppedLine": false,
+ "targets": [
+ {
+ "expr":
"sum(apisix_shared_dict_free_space_bytes{name=~\"internal-status|upstream-healthcheck|worker-events|lrucache-lock|balancer-ewma|balancer-ewma-locks|balancer-ewma-last-touched-at|etcd-cluster-health-check\",
instance=~\"$instance\"}) by (name)",
Review Comment:
You can learn about the syntax of PromQL and try for it. AFAIK, a division
between free and capacity is enough.
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