Help Center> Cloud Trace Service> FAQ> Why Is the user Field Displayed as user_name/op_service in Some Traces When I Filter Traces by User?
Why Is the user Field Displayed as user_name/op_service in Some Traces When I Filter Traces by User?
The op_service account is used to elevate permissions. If a user submits a request that involves operations requiring high permissions or invocation of other services, the user's permissions may be insufficient. In this case, the user's permissions will be elevated temporarily as long as security requirements are met. When the request is complete, the user's permissions will be returned to their previous level, but the elevation action will be recorded in the request trace. As a result, both the username and op_service will be displayed in the user field of the trace.
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