gRPC 0 OK vs 4 DEADLINE_EXCEEDED
Both gRPC 0 (OK) and 4 (DEADLINE_EXCEEDED) belong to the gRPC Status Codes category. 0 indicates that the operation completed successfully. Not an error; returned on success. Meanwhile, 4 means that the deadline expired before the operation could complete. For operations that change the state of the system, this error may be returned even if the operation has completed successfully.
الوصف
The operation completed successfully. Not an error; returned on success.
متى تراه
The RPC completed without any issues. This is the expected response for every successful gRPC call.
كيفية الإصلاح
No fix needed — this indicates everything worked correctly.
الوصف
The deadline expired before the operation could complete. For operations that change the state of the system, this error may be returned even if the operation has completed successfully.
متى تراه
The RPC took longer than the configured deadline allows. Common in slow network conditions, overloaded servers, or when the deadline is set too aggressively.
كيفية الإصلاح
Increase the client deadline, optimize the server-side processing, or add server-side caching. If the operation might have succeeded, check idempotency before retrying.
الفروق الرئيسية
gRPC 0: The operation completed successfully. Not an error; returned on success.
gRPC 4: The deadline expired before the operation could complete. For operations that change the state of the system, this error may be returned even if the operation has completed successfully.
You encounter 0 when the RPC completed without any issues. This is the expected response for every successful gRPC call.
You encounter 4 when the RPC took longer than the configured deadline allows. Common in slow network conditions, overloaded servers, or when the deadline is set too aggressively.
متى تستخدم أيًا منهما
For 0 (OK): No fix needed — this indicates everything worked correctly. For 4 (DEADLINE_EXCEEDED): Increase the client deadline, optimize the server-side processing, or add server-side caching. If the operation might have succeeded, check idempotency before retrying.