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For information on using these queries in the Azure portal, see Log Analytics tutorial. For the REST API, see Query.
Recent Errors
Shows the most recent error and critical log messages.
// Recent Errors
// Shows recent error messages
DurableTaskSchedulerLogs
| where Level < 3 // Error and Critical
| project TimeGenerated, TaskHub, OperationName, Log
| sort by TimeGenerated desc
| take 100
Worker Connection Summary
Simple view of worker connections and disconnections by TaskHub over time.
// Worker Connection Summary
// Simple view of worker connections by taskhub
DurableTaskSchedulerLogs
| where OperationName == "WorkerConnected" or OperationName == "WorkerDisconnected"
| summarize
Connected = countif(OperationName == "WorkerConnected"),
Disconnected = countif(OperationName == "WorkerDisconnected")
by TaskHub, bin(TimeGenerated, 1h)
| sort by TimeGenerated desc