navinko commented on code in PR #10609:
URL: https://github.com/apache/ozone/pull/10609#discussion_r3487434639
##########
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": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"{__name__=~\"volume_info_metrics_data_disk[0-9]+_ozone_used\",
instance=~\"$datanode.*\"}",
+ "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": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"max({__name__=~\"volume_info_metrics_data_disk[0-9]+_ozone_used\",
instance=~\"$datanode.*\"}) by (instance) -
min({__name__=~\"volume_info_metrics_data_disk[0-9]+_ozone_used\",
instance=~\"$datanode.*\"}) by (instance)",
+ "instant": true,
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "unit": "decbytes",
+ "max": 5368709120
+ }
+ },
+ "options": {
+ "displayMode": "lcd",
+ "orientation": "horizontal",
+ "reduceOptions": { "calcs": ["lastNotNull"] }
+ }
+ },
+ {
+ "id": 5,
+ "title": "Active Balancing Throughput Speed",
+ "type": "stat",
+ "description": "The live speedometer. This shows exactly how fast data
is physically copying from one disk to another across the node.",
+ "gridPos": { "x": 0, "y": 7, "w": 6, "h": 7 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"rate(disk_balancer_service_metrics_success_bytes{instance=~\"$datanode.*\"}[1m])",
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "unit": "Bps"
+ }
+ },
+ "options": {
+ "graphMode": "area",
+ "textMode": "value",
+ "reduceOptions": { "calcs": ["lastNotNull"] }
+ }
+ },
+ {
+ "id": 7,
+ "title": "Unscheduled Target Backlog",
+ "type": "stat",
+ "description": "The remaining amount of data the balancer still needs to
queue up to reach perfect balance.",
+ "gridPos": { "x": 6, "y": 7, "w": 8, "h": 7 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"max({__name__=~\"volume_info_metrics_data_disk[0-9]+_ozone_used\",
instance=~\"$datanode.*\"}) by (instance) -
avg({__name__=~\"volume_info_metrics_data_disk[0-9]+_ozone_used\",
instance=~\"$datanode.*\"}) by (instance)",
+ "instant": true,
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "unit": "decbytes"
+ }
+ },
+ "options": {
+ "graphMode": "none",
+ "textMode": "value",
+ "reduceOptions": { "calcs": ["lastNotNull"] }
+ }
+ },
+ {
+ "id": 8,
+ "title": "Est. Time for Unscheduled Backlog",
+ "type": "stat",
+ "description": "A rough estimate of how many minutes are left before the
balancer finishes balancing.",
+ "gridPos": { "x": 14, "y": 7, "w": 10, "h": 7 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"((sum(max({__name__=~\"volume_info_metrics_data_disk[0-9]+_ozone_used\",
instance=~\"$datanode.*\"}) by (instance) -
avg({__name__=~\"volume_info_metrics_data_disk[0-9]+_ozone_used\",
instance=~\"$datanode.*\"}) by (instance)) /
(sum(rate(disk_balancer_service_metrics_success_bytes{instance=~\"$datanode.*\"}[1m]))
> 0)) / 60) or vector(0)",
+ "instant": true,
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "unit": "m"
+ }
+ },
+ "options": {
+ "graphMode": "none",
+ "textMode": "value",
+ "reduceOptions": { "calcs": ["lastNotNull"] }
+ }
+ },
+ {
+ "id": 6,
+ "title": "Container Migration Latency Profile (Processing Duration)",
+ "type": "timeseries",
+ "description": "How much time it takes the system to successfully copy,
verify, and finalize a single container.",
+ "gridPos": { "x": 0, "y": 14, "w": 24, "h": 7 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"{__name__=~\"disk_balancer_service_metrics_copy_success_latency|disk_balancer_service_metrics_copy_failure_latency|disk_balancer_service_metrics_move_success_time_avg_time\",
instance=~\"$datanode.*\"}",
+ "legendFormat": "{{__name__}}",
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "unit": "ms",
+ "color": { "mode": "palette-classic" }
+ }
+ }
+ },
+ {
+ "id": 11,
+ "title": "Overall Move Success Rate",
+ "type": "gauge",
+ "description": "The percentage of container moves that finished
perfectly.",
+ "gridPos": { "x": 0, "y": 21, "w": 5, "h": 6 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr": "(sum(disk_balancer_service_metrics_success_count) /
(sum(disk_balancer_service_metrics_success_count) +
sum(disk_balancer_service_metrics_failure_count) + 0.00001)) * 100",
+ "instant": true,
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "unit": "percent",
+ "min": 0,
+ "max": 100,
+ "thresholds": {
+ "mode": "absolute",
+ "steps": [
+ { "value": 0, "color": "green" },
+ { "value": 80, "color": "red" }
+ ]
+ }
+ }
+ },
+ "options": {
+ "reduceOptions": { "calcs": ["lastNotNull"] }
+ }
+ },
+ {
+ "id": 12,
+ "title": "Total Lifetime Container Moves",
+ "type": "stat",
+ "description": "The total number of individual data blocks (containers)
successfully relocated by the balancer.",
+ "gridPos": { "x": 5, "y": 21, "w": 4, "h": 6 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"max_over_time(disk_balancer_service_metrics_success_count{instance=~\"$datanode.*\"}[1h])",
+ "instant": true,
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "noValue": "0",
+ "unit": "short"
+ }
+ },
+ "options": {
+ "graphMode": "none",
+ "textMode": "value",
+ "reduceOptions": { "calcs": ["lastNotNull"] }
+ }
+ },
+ {
+ "id": 14,
+ "title": "Total Lifetime Data Balanced",
+ "type": "stat",
+ "description": "The total physical weight of all the data successfully
shifted across the disks since the balancer started.",
+ "gridPos": { "x": 9, "y": 21, "w": 5, "h": 6 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"max_over_time(disk_balancer_service_metrics_success_bytes{instance=~\"$datanode.*\"}[1h])",
+ "instant": true,
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "noValue": "0",
+ "unit": "decbytes"
+ }
+ },
+ "options": {
+ "graphMode": "area",
+ "textMode": "auto",
+ "reduceOptions": { "calcs": ["lastNotNull"] }
+ }
+ },
+ {
+ "id": 15,
+ "title": "Failed Container Moves",
+ "type": "stat",
+ "description": "The number of times a move was aborted due to error.
This should ideally stay at 0.",
+ "gridPos": { "x": 14, "y": 21, "w": 4, "h": 6 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"max_over_time(disk_balancer_service_metrics_failure_count{instance=~\"$datanode.*\"}[1h])",
+ "instant": true,
+ "refId": "A"
+ }
+ ],
+ "fieldConfig": {
+ "defaults": {
+ "noValue": "0",
+ "thresholds": {
+ "mode": "absolute",
+ "steps": [
+ { "value": 0, "color": "green" },
+ { "value": 1, "color": "red" }
+ ]
+ }
+ }
+ },
+ "options": {
+ "graphMode": "area",
+ "textMode": "auto",
+ "reduceOptions": { "calcs": ["lastNotNull"] }
+ }
+ },
+ {
+ "id": 13,
+ "title": "Balancer Idle Reason",
+ "type": "piechart",
+ "description": "Shows why the balancer is taking a break. 'Target
Reached' means the disks are already balanced. 'Throttled' means it's slowing
down on purpose so it doesn't overload the server.",
+ "gridPos": { "x": 18, "y": 21, "w": 6, "h": 6 },
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "targets": [
+ {
+ "expr":
"sum(increase(disk_balancer_service_metrics_idle_loop_no_available_volume_pair_count[15m]))",
+ "instant": true,
+ "legendFormat": "Target Reached",
+ "refId": "A"
+ },
+ {
+ "expr":
"sum(increase(disk_balancer_service_metrics_idle_loop_exceeds_bandwidth_count[15m]))",
+ "instant": true,
+ "legendFormat": "Throttled",
+ "refId": "B"
+ }
+ ],
+ "options": {
+ "pieType": "donut",
+ "legend": { "displayMode": "list", "placement": "bottom",
"showLegend": true },
+ "reduceOptions": { "calcs": ["lastNotNull"] }
+ }
+ }
+ ],
+ "refresh": "5s",
+ "schemaVersion": 38,
+ "style": "dark",
+ "tags": ["Ozone", "DiskBalancer"],
+ "templating": {
+ "list": [
+ {
+ "current": {},
+ "hide": 0,
+ "includeAll": false,
+ "label": "Data Source",
+ "multi": false,
+ "name": "datasource",
+ "options": [],
+ "query": "prometheus",
+ "refresh": 1,
+ "skipUrlSync": false,
+ "type": "datasource"
+ },
+ {
+ "current": {},
+ "datasource": { "type": "prometheus", "uid": "${datasource}" },
+ "definition":
"label_values(disk_balancer_service_metrics_volume_data_density, instance)",
+ "hide": 0,
+ "includeAll": true,
+ "multi": true,
+ "name": "datanode",
+ "options": [],
+ "query": {
+ "query":
"label_values(disk_balancer_service_metrics_volume_data_density, instance)",
+ "refId": "StandardVariableQuery"
+ },
+ "refresh": 1,
+ "regex": "",
+ "skipUrlSync": false,
+ "sort": 1,
+ "type": "query"
+ }
+ ]
+ },
+ "time": {
+ "from": "now-5m",
+ "to": "now"
+ },
+ "timezone": "browser",
+ "title": "Ozone Disk Balancer Operations Matrix",
Review Comment:
updated
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