diff --git a/internal/component/discovery/discovery.go b/internal/component/discovery/discovery.go
index 03670814e1..4ab9f7342b 100644
--- a/internal/component/discovery/discovery.go
+++ b/internal/component/discovery/discovery.go
@@ -9,6 +9,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/josharian/intern"
 	"github.com/prometheus/common/model"
 	"github.com/prometheus/prometheus/discovery"
 	"github.com/prometheus/prometheus/discovery/targetgroup"
@@ -261,6 +262,7 @@ func (c *Component) runDiscovery(ctx context.Context, d DiscovererWithMetrics) {
 }
 
 func toAlloyTargets(cache map[string]*targetgroup.Group) []Target {
+	// TODO(thampiotr): HOT SPOT #1
 	targetsCount := 0
 	for _, group := range cache {
 		targetsCount += len(group.Targets)
@@ -274,10 +276,10 @@ func toAlloyTargets(cache map[string]*targetgroup.Group) []Target {
 			// first add the group labels, and then the
 			// target labels, so that target labels take precedence.
 			for k, v := range group.Labels {
-				tLabels[string(k)] = string(v)
+				tLabels[intern.String(string(k))] = intern.String(string(v))
 			}
 			for k, v := range target {
-				tLabels[string(k)] = string(v)
+				tLabels[intern.String(string(k))] = intern.String(string(v))
 			}
 			allTargets = append(allTargets, tLabels)
 		}
diff --git a/internal/component/discovery/relabel/relabel.go b/internal/component/discovery/relabel/relabel.go
index 6613c6c801..a7d4e63874 100644
--- a/internal/component/discovery/relabel/relabel.go
+++ b/internal/component/discovery/relabel/relabel.go
@@ -5,13 +5,14 @@ import (
 	"fmt"
 	"sync"
 
+	"github.com/prometheus/prometheus/model/labels"
+	"github.com/prometheus/prometheus/model/relabel"
+
 	"github.com/grafana/alloy/internal/component"
 	alloy_relabel "github.com/grafana/alloy/internal/component/common/relabel"
 	"github.com/grafana/alloy/internal/component/discovery"
 	"github.com/grafana/alloy/internal/featuregate"
 	"github.com/grafana/alloy/internal/service/livedebugging"
-	"github.com/prometheus/prometheus/model/labels"
-	"github.com/prometheus/prometheus/model/relabel"
 )
 
 func init() {
@@ -92,9 +93,11 @@ func (c *Component) Update(args component.Arguments) error {
 	c.rcs = relabelConfigs
 
 	for _, t := range newArgs.Targets {
+		// TODO(thampiotr): HOT SPOT #2
 		lset := componentMapToPromLabels(t)
 		relabelled, keep := relabel.Process(lset, relabelConfigs...)
 		if keep {
+			// TODO(thampiotr): HOT SPOT #3
 			targets = append(targets, promLabelsToComponent(relabelled))
 		}
 		componentID := livedebugging.ComponentID(c.opts.ID)