Abfragen für die KubeNodeInventory-Tabelle
Informationen zur Verwendung dieser Abfragen im Azure-Portal finden Sie im Log Analytics-Lernprogramm. Informationen zur REST-API finden Sie unter "Abfrage".
Durchschnittliche CPU-Auslastung des Knotens pro Minute
Für die Clusteransicht durchschnittlichen Knoten CPU-Auslastungsprozentsatz pro Minute über die letzte Stunde.
// To create an alert for this query, click '+ New alert rule'
//Modify the startDateTime & endDateTime to customize the timerange
let endDateTime = now();
let startDateTime = ago(1h);
let trendBinSize = 1m;
let capacityCounterName = 'cpuCapacityNanoCores';
let usageCounterName = 'cpuUsageNanoCores';
KubeNodeInventory
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
// cluster filter would go here if multiple clusters are reporting to the same Log Analytics workspace
| distinct ClusterName, Computer, _ResourceId
| join hint.strategy=shuffle (
Perf
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
| where ObjectName == 'K8SNode'
| where CounterName == capacityCounterName
| summarize LimitValue = max(CounterValue) by Computer, CounterName, bin(TimeGenerated, trendBinSize)
| project Computer, CapacityStartTime = TimeGenerated, CapacityEndTime = TimeGenerated + trendBinSize, LimitValue
) on Computer
| join kind=inner hint.strategy=shuffle (
Perf
| where TimeGenerated < endDateTime + trendBinSize
| where TimeGenerated >= startDateTime - trendBinSize
| where ObjectName == 'K8SNode'
| where CounterName == usageCounterName
| project Computer, UsageValue = CounterValue, TimeGenerated
) on Computer
| where TimeGenerated >= CapacityStartTime and TimeGenerated < CapacityEndTime
| project ClusterName, Computer, TimeGenerated, UsagePercent = UsageValue * 100.0 / LimitValue, _ResourceId
| summarize AggregatedValue = avg(UsagePercent) by bin(TimeGenerated, trendBinSize), ClusterName, _ResourceId
Avg node memory usage percentage per minute
Für die Clusteransicht beträgt der Prozentsatz der Speicherauslastung des Knotens pro Minute über die letzte Stunde.
// To create an alert for this query, click '+ New alert rule'
let endDateTime = now();
let startDateTime = ago(1h);
let trendBinSize = 1m;
let capacityCounterName = 'memoryCapacityBytes';
let usageCounterName = 'memoryRssBytes';
KubeNodeInventory
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
// cluster filter would go here if multiple clusters are reporting to the same Log Analytics workspace
| distinct ClusterName, Computer, _ResourceId
| join hint.strategy=shuffle (
Perf
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
| where ObjectName == 'K8SNode'
| where CounterName == capacityCounterName
| summarize LimitValue = max(CounterValue) by Computer, CounterName, bin(TimeGenerated, trendBinSize)
| project Computer, CapacityStartTime = TimeGenerated, CapacityEndTime = TimeGenerated + trendBinSize, LimitValue
) on Computer
| join kind=inner hint.strategy=shuffle (
Perf
| where TimeGenerated < endDateTime + trendBinSize
| where TimeGenerated >= startDateTime - trendBinSize
| where ObjectName == 'K8SNode'
| where CounterName == usageCounterName
| project Computer, UsageValue = CounterValue, TimeGenerated
) on Computer
| where TimeGenerated >= CapacityStartTime and TimeGenerated < CapacityEndTime
| project ClusterName, Computer, TimeGenerated, UsagePercent = UsageValue * 100.0 / LimitValue, _ResourceId
| summarize AggregatedValue = avg(UsagePercent) by bin(TimeGenerated, trendBinSize), ClusterName, _ResourceId
Bereitschaftsstatus pro Knoten
Für alle Clusteransichten zählen alle Knoten nach Bereitschaft.
// To create an alert for this query, click '+ New alert rule'
//Customize startDateTime, endDateTime to select custom time range
let endDateTime = now();
let startDateTime = ago(1h);
let trendBinSize = 1m;
KubeNodeInventory
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
| distinct ClusterName, Computer, _ResourceId,TimeGenerated
| summarize ClusterSnapshotCount = count() by bin(TimeGenerated, trendBinSize), ClusterName, Computer, _ResourceId
| join hint.strategy=broadcast kind=inner (
KubeNodeInventory //this calculating ready node count.
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
| summarize TotalCount = count(), ReadyCount = sumif(1, Status contains ('Ready'))
by ClusterName, Computer, bin(TimeGenerated, trendBinSize), _ResourceId //calculating NotReadyCount
| extend NotReadyCount = TotalCount - ReadyCount
) on ClusterName, Computer, _ResourceId, TimeGenerated
//projecting all the fields
| project TimeGenerated, ClusterName, Computer, ReadyCount = todouble(ReadyCount) / ClusterSnapshotCount,
NotReadyCount = todouble(NotReadyCount) / ClusterSnapshotCount, _ResourceId
| order by ClusterName asc, Computer asc, TimeGenerated desc, _ResourceId
In KubeNodeInventory suchen
Suchen Sie in KubeNodeInventory, um in der Tabelle "KubeNodeInventory" nach einem bestimmten Wert zu suchen./nNote, dass für diese Abfrage eine Aktualisierung des <SeachValue-Parameters> erforderlich ist, um Ergebnisse zu erzielen.
// This query requires a parameter to run. Enter value in SearchValue to find in table.
let SearchValue = "<SearchValue>";//Please update term you would like to find in the table.
KubeNodeInventory
| where * contains tostring(SearchValue)
| take 1000