gistfile1.txt

diff --git a/pkg/store/proxy_heap.go b/pkg/store/proxy_heap.go
index d354d4db..5161930b 100644
--- a/pkg/store/proxy_heap.go
+++ b/pkg/store/proxy_heap.go
@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"io"
 	"sort"
+	"strings"
 	"sync"
 	"time"
 
@@ -618,6 +619,8 @@ func newEagerRespSet(
 	applySharding bool,
 	emptyStreamResponses prometheus.Counter,
 ) respSet {
+	labelsCounter := map[string]uint64{}
+
 	ret := &eagerRespSet{
 		span:              span,
 		st:                st,
@@ -693,6 +696,11 @@ func newEagerRespSet(
 
 				if resp.GetSeries() != nil {
 					seriesStats.Count(resp.GetSeries())
+					s := resp.GetSeries()
+					for _, lbl := range s.Labels {
+						labelsCounter[lbl.Name]++
+						labelsCounter[lbl.Value]++
+					}
 				}
 
 				l.bufferedResponses = append(l.bufferedResponses, resp)
@@ -707,6 +715,34 @@ func newEagerRespSet(
 
 		for {
 			if !handleRecvResponse(t) {
+				var sb strings.Builder
+
+				fmt.Fprintln(&sb, "--------")
+				keys := []string{}
+				for k := range labelsCounter {
+					keys = append(keys, k)
+				}
+				sort.Slice(keys, func(i, j int) bool {
+					return labelsCounter[keys[i]] > labelsCounter[keys[j]]
+				})
+				for i, k := range keys {
+					fmt.Fprintf(&sb, "%s    %d\n", k, labelsCounter[k])
+					if i > 3 {
+						break
+					}
+				}
+
+				var totalSum uint64
+				var totalMinimal uint64
+
+				for k, count := range labelsCounter {
+					totalSum += uint64(len(k)) * count
+					totalMinimal += uint64(len(k))
+				}
+				fmt.Fprintf(&sb, "Total sum is %d, total minimal is %d\n", totalSum, totalMinimal)
+				fmt.Fprintln(&sb, "--------")
+				fmt.Println(sb.String())
+
 				return
 			}
 		}