navinko commented on code in PR #10609:
URL: https://github.com/apache/ozone/pull/10609#discussion_r3608809840
##########
hadoop-ozone/dist/src/main/compose/common/grafana/dashboards/Ozone - Disk
Balancer.json:
##########
@@ -0,0 +1,358 @@
+{
+ "annotations": {
+ "list": [
+ {
+ "builtIn": true,
+ "enable": true,
+ "hide": true,
+ "name": "Annotations & Alerts",
+ "type": "dashboard"
+ }
+ ]
+ },
+ "editable": true,
+ "fiscalYearStartMonth": 0,
+ "graphTooltip": 1,
+ "id": null,
+ "links": [],
+ "liveNow": false,
+ "panels": [
+ {
+ "id": 2,
+ "title": "Disk Space Convergence Profile (Historical Before vs After)",
+ "type": "timeseries",
+ "description": "Shows how full each disk is over time. When the balancer
is running, you should see these lines slowly move closer together until they
meet in the middle.",
+ "gridPos": { "x": 0, "y": 0, "w": 12, "h": 7 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr": "sum({__name__=~\"volume_info_metrics_.*_ozone_used\",
instance=~\"$datanode.*\"}) by (instance, storagedirectory)",
+ "legendFormat": "{{storagedirectory}}",
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "unit": "decbytes",
+ "color": { "mode": "palette-classic" },
+ "custom": {
+ "drawStyle": "line",
+ "lineInterpolation": "smooth",
+ "lineWidth": 2
+ }
+ }
+ }
+ },
+ {
+ "id": 3,
+ "title": "Current Disk Space Allocation Skew (Max - Min Volume Gap)",
+ "type": "bargauge",
+ "description": "The exact size of the data gap between your most full
disk and your emptiest disk right now. The balancer's goal is to shrink this
number down to zero.",
+ "gridPos": { "x": 12, "y": 0, "w": 12, "h": 7 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr": "max(sum({__name__=~\"volume_info_metrics_.*_ozone_used\",
instance=~\"$datanode.*\"}) by (instance, storagedirectory)) by (instance) -
min(sum({__name__=~\"volume_info_metrics_.*_ozone_used\",
instance=~\"$datanode.*\"}) by (instance, storagedirectory)) by (instance)",
+ "instant": true,
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "unit": "decbytes",
+ "max": 5368709120
Review Comment:
removed
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