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Merge pull request #1009 from amnonh/scylla_4_2
Adding dashboards for Scylla OS 4.2
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,201 @@ | ||
| { | ||
| "dashboard": { | ||
| "class": "dashboard", | ||
| "uid": "cpu-4-2", | ||
| "rows": [ | ||
| { | ||
| "class": "logo_row" | ||
| }, | ||
| { | ||
| "class": "row", | ||
| "height": "25px", | ||
| "gridPos": {"h": 2}, | ||
| "panels": [ | ||
| { | ||
| "class": "plain_text", | ||
| "content": "<h1 style=\"color:#5881c2; border-bottom: 3px solid #5881c2;\">Information by Task Group</h1>" | ||
| } | ||
| ], | ||
| "title": "New row" | ||
| }, | ||
| { | ||
| "class": "row", | ||
| "panels": [ | ||
| { | ||
| "collapsed": false, | ||
| "datasource": null, | ||
| "id": "auto", | ||
| "gridPos": { | ||
| "h": 1, | ||
| "w": 24 | ||
| }, | ||
| "panels": [], | ||
| "repeat": "group", | ||
| "title": "$group", | ||
| "type": "row" | ||
| } | ||
| ] | ||
| }, | ||
| { | ||
| "class": "row", | ||
| "panels": [ | ||
| { | ||
| "class": "ms_panel", | ||
| "span":4, | ||
| "pointradius": 1, | ||
| "targets": [ | ||
| { | ||
| "expr": "$func(rate(scylla_scheduler_runtime_ms{instance=~\"[[node]]\" ,cluster=~\"$cluster|$^\", dc=~\"$dc\",group=~\"$group\", shard=~\"[[shard]]\"}[60s])) by ([[by]])", | ||
| "intervalFactor": 1, | ||
| "legendFormat": "", | ||
| "metric": "", | ||
| "refId": "A", | ||
| "step": 30 | ||
| } | ||
| ], | ||
| "title": "Time used by [[by]] - $group", | ||
| "description": "Scylla employs an event-loop like reactor that alternates between the execution of different groups of tasks periodically. This graph shows how much time was spent in $group group" | ||
| }, | ||
| { | ||
| "class": "ms_panel", | ||
| "span":4, | ||
| "pointradius": 1, | ||
| "targets": [ | ||
| { | ||
| "expr": "$func(rate(scylla_scheduler_time_spent_on_task_quota_violations_ms{instance=~\"[[node]]\" ,cluster=~\"$cluster|$^\", dc=~\"$dc\",group=~\"$group\", shard=~\"[[shard]]\"}[60s])) by ([[by]])", | ||
| "intervalFactor": 1, | ||
| "legendFormat": "", | ||
| "metric": "", | ||
| "refId": "A", | ||
| "step": 30 | ||
| } | ||
| ], | ||
| "title": "Time spent in task quota violations by [[by]] - $group", | ||
| "description": "Scylla employs an event-loop like reactor that alternates between the execution of different groups of tasks periodically. The maximum amount of time during which a task group can run is called the \"task quota\". Some task groups may disrespect that and run for longer. This may cause latency issues" | ||
| }, | ||
| { | ||
| "class": "graph_panel", | ||
| "span":4, | ||
| "pointradius": 1, | ||
| "targets": [ | ||
| { | ||
| "expr": "$func(scylla_scheduler_shares{instance=~\"[[node]]\" ,cluster=~\"$cluster|$^\", dc=~\"$dc\",group=~\"$group\", shard=~\"[[shard]]\"}) by ([[by]])", | ||
| "intervalFactor": 1, | ||
| "legendFormat": "", | ||
| "metric": "", | ||
| "refId": "A", | ||
| "step": 30 | ||
| } | ||
| ], | ||
| "title": "Scheduler shares [[by]] - $group", | ||
| "description": "Shares assigned to the $group. Shares determine how Scylla reactor distributes the task quotas between groups (Higher share gets more quotas)" | ||
| } | ||
| ], | ||
| "title": "New row" | ||
| } | ||
| ], | ||
| "templating": { | ||
| "list": [ | ||
| { | ||
| "class":"by_template_var" | ||
| }, | ||
| { | ||
| "class": "template_variable_single", | ||
| "label": "cluster", | ||
| "name": "cluster", | ||
| "query": "label_values(scylla_reactor_utilization, cluster)" | ||
| }, | ||
| { | ||
| "class": "template_variable_all", | ||
| "label": "dc", | ||
| "name": "dc", | ||
| "query": "label_values(scylla_reactor_utilization{cluster=~\"$cluster\"}, dc)" | ||
| }, | ||
| { | ||
| "class": "template_variable_all", | ||
| "label": "node", | ||
| "name": "node", | ||
| "query": "label_values(scylla_reactor_utilization{cluster=~\"$cluster|$^\", dc=~\"$dc\"}, instance)" | ||
| }, | ||
| { | ||
| "class": "template_variable_all", | ||
| "label": "shard", | ||
| "name": "shard", | ||
| "query": "label_values(scylla_reactor_utilization,shard)", | ||
| "sort": 3 | ||
| } | ||
| , | ||
| { | ||
| "class": "template_variable_all", | ||
| "label": "group", | ||
| "name": "group", | ||
| "hide": 2, | ||
| "query": "label_values(scylla_scheduler_time_spent_on_task_quota_violations_ms,group)", | ||
| "sort": 3 | ||
| }, | ||
| { | ||
| "class": "adhoc_filter" | ||
| }, | ||
| { | ||
| "class": "aggregation_function", | ||
| "current": { | ||
| "tags": [], | ||
| "text": "avg", | ||
| "value": "avg" | ||
| } | ||
| }, | ||
| { | ||
| "class": "template_variable_custom", | ||
| "current": { | ||
| "text": "4.2", | ||
| "value": "4.2" | ||
| }, | ||
| "name": "scylla_dash_version", | ||
| "options": [ | ||
| { | ||
| "selected": true, | ||
| "text": "4.2", | ||
| "value": "4.2" | ||
| } | ||
| ], | ||
| "query": "4.2" | ||
| }, | ||
| { | ||
| "class": "monitor_version_var" | ||
| } | ||
| ] | ||
| }, | ||
| "tags": [ | ||
| "4.2" | ||
| ], | ||
| "time": { | ||
| "from": "now-30m", | ||
| "to": "now" | ||
| }, | ||
| "annotations" :{ | ||
| "list": [ | ||
| { | ||
| "builtIn": 1, | ||
| "datasource": "-- Grafana --", | ||
| "enable": true, | ||
| "hide": true, | ||
| "iconColor": "rgba(0, 211, 255, 1)", | ||
| "name": "Annotations & Alerts", | ||
| "type": "dashboard" | ||
| }, | ||
| { | ||
| "class" : "annotation_restart" | ||
| }, | ||
| { | ||
| "class" : "annotation_stall" | ||
| }, | ||
| { | ||
| "class" : "annotation_schema_changed" | ||
| } | ||
| ] | ||
| }, | ||
| "title": "CPU Metrics", | ||
| "overwrite": true, | ||
| "version": 5 | ||
| } | ||
| } |
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