diff --git a/go/internal/feast/server/grpc_server.go b/go/internal/feast/server/grpc_server.go
index 6040880959..c47d185d6c 100644
--- a/go/internal/feast/server/grpc_server.go
+++ b/go/internal/feast/server/grpc_server.go
@@ -86,7 +86,7 @@ func (s *grpcServingServiceServer) GetOnlineFeatures(ctx context.Context, reques
 			fmt.Printf("Couldn't instantiate logger for feature service %s: %+v", featuresOrService.FeatureService.Name, err)
 		}
 
-		err = logger.Log(entityValuesMap, resp.Results[len(request.Entities):], resp.Metadata.FeatureNames.Val[len(request.Entities):], request.RequestContext, requestId)
+		err = logger.Log(request.Entities, resp.Results[len(request.Entities):], resp.Metadata.FeatureNames.Val[len(request.Entities):], request.RequestContext, requestId)
 		if err != nil {
 			fmt.Printf("LoggerImpl error[%s]: %+v", featuresOrService.FeatureService.Name, err)
 		}
diff --git a/go/internal/feast/server/http_server.go b/go/internal/feast/server/http_server.go
index d4d1b7524b..d126f848f9 100644
--- a/go/internal/feast/server/http_server.go
+++ b/go/internal/feast/server/http_server.go
@@ -7,7 +7,9 @@ import (
 	"github.com/feast-dev/feast/go/internal/feast"
 	"github.com/feast-dev/feast/go/internal/feast/model"
 	"github.com/feast-dev/feast/go/internal/feast/server/logging"
+	"github.com/feast-dev/feast/go/protos/feast/serving"
 	prototypes "github.com/feast-dev/feast/go/protos/feast/types"
+	"github.com/feast-dev/feast/go/types"
 	"net/http"
 )
 
@@ -152,6 +154,7 @@ func (s *httpServer) getOnlineFeatures(w http.ResponseWriter, r *http.Request) {
 		featureService, err = s.fs.GetFeatureService(*request.FeatureService)
 		if err != nil {
 			http.Error(w, fmt.Sprintf("Error getting feature service from registry: %+v", err), http.StatusInternalServerError)
+			return
 		}
 	}
 	entitiesProto := make(map[string]*prototypes.RepeatedValue)
@@ -173,6 +176,7 @@ func (s *httpServer) getOnlineFeatures(w http.ResponseWriter, r *http.Request) {
 
 	if err != nil {
 		http.Error(w, fmt.Sprintf("Error getting feature vector: %+v", err), http.StatusInternalServerError)
+		return
 	}
 
 	var featureNames []string
@@ -209,9 +213,42 @@ func (s *httpServer) getOnlineFeatures(w http.ResponseWriter, r *http.Request) {
 
 	if err != nil {
 		http.Error(w, fmt.Sprintf("Error encoding response: %+v", err), http.StatusInternalServerError)
+		return
 	}
 
 	w.Header().Set("Content-Type", "application/json")
+
+	if featureService != nil && featureService.LoggingConfig != nil && s.loggingService != nil {
+		logger, err := s.loggingService.GetOrCreateLogger(featureService)
+		if err != nil {
+			http.Error(w, fmt.Sprintf("Couldn't instantiate logger for feature service %s: %+v", featureService.Name, err), http.StatusInternalServerError)
+			return
+		}
+
+		requestId := GenerateRequestId()
+
+		// Note: we're converting arrow to proto for feature logging. In the future we should
+		// base feature logging on arrow so that we don't have to do this extra conversion.
+		var featureVectorProtos []*serving.GetOnlineFeaturesResponse_FeatureVector
+		for _, vector := range featureVectors[len(request.Entities):] {
+			values, err := types.ArrowValuesToProtoValues(vector.Values)
+			if err != nil {
+				http.Error(w, fmt.Sprintf("Couldn't convert arrow values into protobuf: %+v", err), http.StatusInternalServerError)
+				return
+			}
+			featureVectorProtos = append(featureVectorProtos, &serving.GetOnlineFeaturesResponse_FeatureVector{
+				Values:          values,
+				Statuses:        vector.Statuses,
+				EventTimestamps: vector.Timestamps,
+			})
+		}
+
+		err = logger.Log(entitiesProto, featureVectorProtos, featureNames, requestContextProto, requestId)
+		if err != nil {
+			http.Error(w, fmt.Sprintf("LoggerImpl error[%s]: %+v", featureService.Name, err), http.StatusInternalServerError)
+			return
+		}
+	}
 }
 
 func (s *httpServer) Serve(host string, port int) error {
diff --git a/go/internal/feast/server/logging/logger.go b/go/internal/feast/server/logging/logger.go
index d7ed1fbe18..cbf1c3439a 100644
--- a/go/internal/feast/server/logging/logger.go
+++ b/go/internal/feast/server/logging/logger.go
@@ -42,7 +42,7 @@ type LogSink interface {
 }
 
 type Logger interface {
-	Log(joinKeyToEntityValues map[string][]*types.Value, featureVectors []*serving.GetOnlineFeaturesResponse_FeatureVector, featureNames []string, requestData map[string]*types.RepeatedValue, requestId string) error
+	Log(joinKeyToEntityValues map[string]*types.RepeatedValue, featureVectors []*serving.GetOnlineFeaturesResponse_FeatureVector, featureNames []string, requestData map[string]*types.RepeatedValue, requestId string) error
 }
 
 type LoggerImpl struct {
@@ -207,7 +207,7 @@ func getFullFeatureName(featureViewName string, featureName string) string {
 	return fmt.Sprintf("%s__%s", featureViewName, featureName)
 }
 
-func (l *LoggerImpl) Log(joinKeyToEntityValues map[string][]*types.Value, featureVectors []*serving.GetOnlineFeaturesResponse_FeatureVector, featureNames []string, requestData map[string]*types.RepeatedValue, requestId string) error {
+func (l *LoggerImpl) Log(joinKeyToEntityValues map[string]*types.RepeatedValue, featureVectors []*serving.GetOnlineFeaturesResponse_FeatureVector, featureNames []string, requestData map[string]*types.RepeatedValue, requestId string) error {
 	if len(featureVectors) == 0 {
 		return nil
 	}
@@ -250,7 +250,7 @@ func (l *LoggerImpl) Log(joinKeyToEntityValues map[string][]*types.Value, featur
 			if !ok {
 				return errors.Errorf("Missing join key %s in log data", joinKey)
 			}
-			entityValues[idx] = rows[rowIdx]
+			entityValues[idx] = rows.Val[rowIdx]
 		}
 
 		requestDataValues := make([]*types.Value, len(l.schema.RequestData))
@@ -283,6 +283,6 @@ func (l *LoggerImpl) Log(joinKeyToEntityValues map[string][]*types.Value, featur
 
 type DummyLoggerImpl struct{}
 
-func (l *DummyLoggerImpl) Log(joinKeyToEntityValues map[string][]*types.Value, featureVectors []*serving.GetOnlineFeaturesResponse_FeatureVector, featureNames []string, requestData map[string]*types.RepeatedValue, requestId string) error {
+func (l *DummyLoggerImpl) Log(joinKeyToEntityValues map[string]*types.RepeatedValue, featureVectors []*serving.GetOnlineFeaturesResponse_FeatureVector, featureNames []string, requestData map[string]*types.RepeatedValue, requestId string) error {
 	return nil
 }
diff --git a/go/internal/feast/server/logging/logger_test.go b/go/internal/feast/server/logging/logger_test.go
index 5625b05a76..4ce883c75b 100644
--- a/go/internal/feast/server/logging/logger_test.go
+++ b/go/internal/feast/server/logging/logger_test.go
@@ -90,7 +90,17 @@ func TestLogAndFlushToFile(t *testing.T) {
 	assert.Nil(t, err)
 
 	assert.Nil(t, logger.Log(
-		map[string][]*types.Value{"driver_id": {{Val: &types.Value_Int32Val{Int32Val: 111}}}},
+		map[string]*types.RepeatedValue{
+			"driver_id": {
+				Val: []*types.Value{
+					{
+						Val: &types.Value_Int32Val{
+							Int32Val: 111,
+						},
+					},
+				},
+			},
+		},
 		[]*serving.GetOnlineFeaturesResponse_FeatureVector{
 			{
 				Values:          []*types.Value{{Val: &types.Value_DoubleVal{DoubleVal: 2.0}}},