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Queries for the ADTDataHistoryOperation table

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For information on using these queries in the Azure portal, see Log Analytics tutorial. For the REST API, see Query.

Data History operation failure logs

Failed operation events logged when data history messages are sent to the time series database.

ADTDataHistoryOperation
| where ResultType == "Failure"
| take 100

Data History egress latency

Delivery latency of data history messages sent to the time series database.

ADTDataHistoryOperation
| where OperationName == "Microsoft.DigitalTwins/digitalTwinsInstances/datahistory/messages/send/action"
| summarize percentile(DurationMs, 99) by bin(TimeGenerated, 5m)