Azure 负载均衡器日志分析

Question

I have an Azure Load Balancer, I have gone into the Load Balancer resource, Diagnostics logs and ticked 'Send to Log Analytics' and set to my Azure Log Analytics OMS Workspace.

But when I go into the Log Analytics and run:

AzureDiagnostics
| where Category == "LoadBalancerProbeHealthStatus" and TimeGenerated  > ago(3d)
| project ResourceGroup, Resource, TimeGenerated, port_d, totalDipCount_d, dipDownCount_d, healthPercentage_d

I don't get any results, can anyone help my understand how to make this work?

Answer 1

Check to see if the Azure Diagnostics table in Log Analytics has reached the max 500 columns.

Can Run the following query to confirm:

AzureDiagnostics
|  getschema
| summarize AggregatedValue = count(ColumnName)