Queries for the SignalRServiceDiagnosticLogs table

Article
07/30/2024

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

Client connection IDs

Summary of the connection IDs which are client connections.

SignalRServiceDiagnosticLogs
| where ConnectionType == "Client"
| summarize count() by ConnectionId, _ResourceId

Connection close reasons

Summary of close reasons for disconnected connections.

SignalRServiceDiagnosticLogs
| where OperationName == "ConnectionAborted" or OperationName == "ConnectionEnded" or OperationName == "EndConnectionFailed"
| summarize count() by  ConnectionId, Message, _ResourceId

IP addresses

Summary of Ips that connected to the service, which is useful to figure out whether same issue has pattern in IP address.

SignalRServiceDiagnosticLogs
| where isnotnull(CallerIpAddress) and isnotempty(CallerIpAddress)
| summarize count() by CallerIpAddress, _ResourceId

Logs relating to specific connection ID

A list of logs which contains specific connection ID.

SignalRServiceDiagnosticLogs
// Enter ConnectionId value to filter by specific connection ID.
| where ConnectionId == ""
| sort by TimeGenerated asc
| take 100

Logs relating to specific message tracing ID

A list of logs which contains the specific message tracing ID.

SignalRServiceDiagnosticLogs
| where OperationName == "ConnectionAborted" or OperationName == "ConnectionEnded" or OperationName == "EndConnectionFailed"
| summarize count() by  ConnectionId, Message, _ResourceId

Logs relating to specific user ID

A list of logs which contains the specific user ID.

SignalRServiceDiagnosticLogs
// Enter UserId value to filter by specific user ID.
| where UserId == ""
| sort by TimeGenerated asc
| take 100

Logs with warning or exceptions

A list of logs which contains warnings or exceptions (latest logs shown first).

SignalRServiceDiagnosticLogs
| where Level == "Warning" or Level == "Error"
| sort by TimeGenerated desc, Collection asc
| take 100

Server connection IDs

Summary of the connection IDs which are server connections.

SignalRServiceDiagnosticLogs
| where ConnectionType == "Server"
| summarize count() by  ConnectionId, _ResourceId

Time chart of operation names

Chart of operations in time, for getting the trend of the connectivity and messaging events.

SignalRServiceDiagnosticLogs
| summarize count() by OperationName, bin(TimeGenerated, 1min)
| render timechart

Transport types

Summary of transport types for connections. Usually Websockets should be the majority by default.

SignalRServiceDiagnosticLogs
| where isnotnull(TransportType) and isnotempty(TransportType)
| summarize count() by TransportType, _ResourceId

User IDs

Summary of the user IDs.

SignalRServiceDiagnosticLogs
| summarize count() by UserId, _ResourceId

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