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March 15, 2022 07:56
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write_feature
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| @beam.typehints.with_input_types(Tuple[User, List[EventAction]]) | |
| class WriteFeatureRPC(beam.DoFn): | |
| def __init__( | |
| self, | |
| api_endpoint, | |
| project_id, | |
| location, | |
| featurestore_id, | |
| entity_type_id, | |
| feature_name, | |
| ): | |
| self.write_time_dist = Metrics.distribution("writer", "write_time") | |
| self.serialize_time_dist = Metrics.distribution("writer", "serialize_time") | |
| self.client_setup_time_dist = Metrics.distribution( | |
| "writer", "client_setup_time" | |
| ) | |
| self.project_id = project_id | |
| self.location = location | |
| self.featurestore_id = featurestore_id | |
| self.entity_type_id = entity_type_id | |
| self.api_endpoint = api_endpoint | |
| self.feature_name = feature_name | |
| def setup(self): | |
| start_time = time.time() | |
| self.client = self._create_client() | |
| self.client_setup_time_dist.update(int((time.time() - start_time) * 1000)) | |
| self.buffer = [] | |
| def process(self, element): | |
| start_time = time.time() | |
| entity_id = element[0].id + "_" + element[0].market | |
| feature_values = { | |
| self.feature_name: featurestore_online_service_pb2.FeatureValue( | |
| string_array_value=types_pb2.StringArray( | |
| values=[e.article for e in element[1]] | |
| ) | |
| ), | |
| "market": featurestore_online_service_pb2.FeatureValue( | |
| string_value=element[0].market | |
| ), | |
| } | |
| payload = featurestore_online_service_pb2.WriteFeatureValuesPayload( | |
| entity_id=entity_id, feature_values=feature_values | |
| ) | |
| self.serialize_time_dist.update(int((time.time() - start_time) * 1000)) | |
| self.buffer.append(payload) | |
| def _create_client(self): | |
| return FeaturestoreOnlineServingServiceClient( | |
| client_options={"api_endpoint": self.api_endpoint} | |
| ) | |
| def finish_bundle(self): | |
| if not self.client: | |
| self.client = self._create_client() | |
| start_time = time.time() | |
| entity_type_path = self.client.entity_type_path( | |
| self.project_id, self.location, self.featurestore_id, self.entity_type_id | |
| ) | |
| self.client.write_feature_values( | |
| entity_type=entity_type_path, | |
| payloads=self.buffer, | |
| ) | |
| self.write_time_dist.update(int((time.time() - start_time) * 1000)) | |
| self.buffer.clear() |
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