diff --git a/pkg/query-service/app/clickhouseReader/reader.go b/pkg/query-service/app/clickhouseReader/reader.go
index 8a6e2e6d36..596354433e 100644
--- a/pkg/query-service/app/clickhouseReader/reader.go
+++ b/pkg/query-service/app/clickhouseReader/reader.go
@@ -50,6 +50,7 @@ import (
 	"go.signoz.io/query-service/constants"
 	am "go.signoz.io/query-service/integrations/alertManager"
 	"go.signoz.io/query-service/model"
+	"go.signoz.io/query-service/utils"
 	"go.uber.org/zap"
 )
 
@@ -2829,6 +2830,10 @@ func (r *ClickHouseReader) GetMetricAutocompleteMetricNames(ctx context.Context,
 // GetMetricResult runs the query and returns list of time series
 func (r *ClickHouseReader) GetMetricResult(ctx context.Context, query string) ([]*model.Series, error) {
 
+	defer utils.Elapsed("GetMetricResult")()
+
+	zap.S().Infof("Executing metric result query: %s", query)
+
 	rows, err := r.db.Query(ctx, query)
 
 	if err != nil {
diff --git a/pkg/query-service/app/http_handler.go b/pkg/query-service/app/http_handler.go
index 51ff99a8a9..4e923af79c 100644
--- a/pkg/query-service/app/http_handler.go
+++ b/pkg/query-service/app/http_handler.go
@@ -180,10 +180,10 @@ func writeHttpResponse(w http.ResponseWriter, data interface{}) {
 }
 func (aH *APIHandler) RegisterMetricsRoutes(router *mux.Router) {
 	subRouter := router.PathPrefix("/api/v2/metrics").Subrouter()
-	subRouter.HandleFunc("/query_range", aH.queryRangeMetricsV2).Methods(http.MethodPost)
-	subRouter.HandleFunc("/autocomplete/list", aH.metricAutocompleteMetricName).Methods(http.MethodGet)
-	subRouter.HandleFunc("/autocomplete/tagKey", aH.metricAutocompleteTagKey).Methods(http.MethodGet)
-	subRouter.HandleFunc("/autocomplete/tagValue", aH.metricAutocompleteTagValue).Methods(http.MethodGet)
+	subRouter.HandleFunc("/query_range", ViewAccess(aH.queryRangeMetricsV2)).Methods(http.MethodPost)
+	subRouter.HandleFunc("/autocomplete/list", ViewAccess(aH.metricAutocompleteMetricName)).Methods(http.MethodGet)
+	subRouter.HandleFunc("/autocomplete/tagKey", ViewAccess(aH.metricAutocompleteTagKey)).Methods(http.MethodGet)
+	subRouter.HandleFunc("/autocomplete/tagValue", ViewAccess(aH.metricAutocompleteTagValue)).Methods(http.MethodGet)
 }
 
 func (aH *APIHandler) respond(w http.ResponseWriter, data interface{}) {
diff --git a/pkg/query-service/app/metrics/query_builder.go b/pkg/query-service/app/metrics/query_builder.go
index bf1896af2e..26f57261b9 100644
--- a/pkg/query-service/app/metrics/query_builder.go
+++ b/pkg/query-service/app/metrics/query_builder.go
@@ -91,10 +91,9 @@ func BuildMetricsTimeSeriesFilterQuery(fs *model.FilterSet, groupTags []string,
 	if fs != nil && len(fs.Items) != 0 {
 		for _, item := range fs.Items {
 			toFormat := item.Value
+			op := strings.ToLower(strings.TrimSpace(item.Operator))
 			// if the received value is an array for like/match op, just take the first value
-			if strings.ToLower(item.Operation) == "like" ||
-				strings.ToLower(item.Operation) == "match" ||
-				strings.ToLower(item.Operation) == "nlike" {
+			if op == "like" || op == "match" || op == "nlike" || op == "nmatch" {
 				x, ok := item.Value.([]interface{})
 				if ok {
 					if len(x) == 0 {
@@ -104,7 +103,7 @@ func BuildMetricsTimeSeriesFilterQuery(fs *model.FilterSet, groupTags []string,
 				}
 			}
 			fmtVal := formattedValue(toFormat)
-			switch op := strings.ToLower(item.Operation); op {
+			switch op {
 			case "eq":
 				conditions = append(conditions, fmt.Sprintf("labels_object.%s = %s", item.Key, fmtVal))
 			case "neq":
@@ -119,6 +118,8 @@ func BuildMetricsTimeSeriesFilterQuery(fs *model.FilterSet, groupTags []string,
 				conditions = append(conditions, fmt.Sprintf("notLike(labels_object.%s, %s)", item.Key, fmtVal))
 			case "match":
 				conditions = append(conditions, fmt.Sprintf("match(labels_object.%s, %s)", item.Key, fmtVal))
+			case "nmatch":
+				conditions = append(conditions, fmt.Sprintf("not match(labels_object.%s, %s)", item.Key, fmtVal))
 			default:
 				return "", fmt.Errorf("unsupported operation")
 			}
@@ -416,6 +417,5 @@ func PrepareBuilderMetricQueries(qp *model.QueryRangeParamsV2, tableName string)
 	if len(errs) != 0 {
 		return &RunQueries{Err: fmt.Errorf("errors with formulas: %s", FormatErrs(errs, "\n"))}
 	}
-	fmt.Println(namedQueries)
 	return &RunQueries{Queries: namedQueries}
 }
diff --git a/pkg/query-service/app/metrics/query_builder_test.go b/pkg/query-service/app/metrics/query_builder_test.go
index 4530a01a79..f6f9944605 100644
--- a/pkg/query-service/app/metrics/query_builder_test.go
+++ b/pkg/query-service/app/metrics/query_builder_test.go
@@ -42,8 +42,9 @@ func TestBuildQueryWithFilters(t *testing.T) {
 					"a": {
 						QueryName:  "a",
 						MetricName: "name",
-						TagFilters: &model.FilterSet{Operation: "AND", Items: []model.FilterItem{
-							{Key: "a", Value: "b", Operation: "neq"},
+						TagFilters: &model.FilterSet{Operator: "AND", Items: []model.FilterItem{
+							{Key: "a", Value: "b", Operator: "neq"},
+							{Key: "code", Value: "ERROR_*", Operator: "nmatch"},
 						}},
 						AggregateOperator: model.RATE_MAX,
 						Expression:        "a",
@@ -56,6 +57,7 @@ func TestBuildQueryWithFilters(t *testing.T) {
 
 		So(queries["a"], ShouldContainSubstring, "WHERE metric_name = 'name' AND labels_object.a != 'b'")
 		So(queries["a"], ShouldContainSubstring, "runningDifference(value)/runningDifference(ts)")
+		So(queries["a"], ShouldContainSubstring, "not match(labels_object.code, 'ERROR_*')")
 	})
 }
 
@@ -70,8 +72,8 @@ func TestBuildQueryWithMultipleQueries(t *testing.T) {
 					"a": {
 						QueryName:  "a",
 						MetricName: "name",
-						TagFilters: &model.FilterSet{Operation: "AND", Items: []model.FilterItem{
-							{Key: "in", Value: []interface{}{"a", "b", "c"}, Operation: "in"},
+						TagFilters: &model.FilterSet{Operator: "AND", Items: []model.FilterItem{
+							{Key: "in", Value: []interface{}{"a", "b", "c"}, Operator: "in"},
 						}},
 						AggregateOperator: model.RATE_AVG,
 						Expression:        "a",
@@ -103,8 +105,8 @@ func TestBuildQueryWithMultipleQueriesAndFormula(t *testing.T) {
 					"a": {
 						QueryName:  "a",
 						MetricName: "name",
-						TagFilters: &model.FilterSet{Operation: "AND", Items: []model.FilterItem{
-							{Key: "in", Value: []interface{}{"a", "b", "c"}, Operation: "in"},
+						TagFilters: &model.FilterSet{Operator: "AND", Items: []model.FilterItem{
+							{Key: "in", Value: []interface{}{"a", "b", "c"}, Operator: "in"},
 						}},
 						AggregateOperator: model.RATE_MAX,
 						Expression:        "a",
diff --git a/pkg/query-service/model/queryParams.go b/pkg/query-service/model/queryParams.go
index d1763a0440..69509849d2 100644
--- a/pkg/query-service/model/queryParams.go
+++ b/pkg/query-service/model/queryParams.go
@@ -294,17 +294,12 @@ type GetErrorParams struct {
 }
 
 type FilterItem struct {
-	Key       string      `json:"key"`
-	Value     interface{} `json:"value"`
-	Operation string      `json:"op"`
+	Key      string      `json:"key"`
+	Value    interface{} `json:"value"`
+	Operator string      `json:"op"`
 }
 
 type FilterSet struct {
-	Operation string       `json:"op,omitempty"`
-	Items     []FilterItem `json:"items"`
-}
-
-type RemoveTTLParams struct {
-	Type         string
-	RemoveAllTTL bool
+	Operator string       `json:"op,omitempty"`
+	Items    []FilterItem `json:"items"`
 }
diff --git a/pkg/query-service/utils/time.go b/pkg/query-service/utils/time.go
new file mode 100644
index 0000000000..90e132aff2
--- /dev/null
+++ b/pkg/query-service/utils/time.go
@@ -0,0 +1,14 @@
+package utils
+
+import (
+	"time"
+
+	"go.uber.org/zap"
+)
+
+func Elapsed(funcName string) func() {
+	start := time.Now()
+	return func() {
+		zap.S().Infof("%s took %v\n", funcName, time.Since(start))
+	}
+}