diff --git a/base/commands/demo/demo_it_test.go b/base/commands/demo/demo_it_test.go
index 3212d07d..b0e7fd3a 100644
--- a/base/commands/demo/demo_it_test.go
+++ b/base/commands/demo/demo_it_test.go
@@ -54,3 +54,16 @@ func generateData_Wikipedia_MaxValues_Test(t *testing.T) {
 		})
 	})
 }
+
+func TestMapSetMany(t *testing.T) {
+	it.MapTester(t, func(tcx it.TestContext, m *hz.Map) {
+		t := tcx.T
+		ctx := context.Background()
+		count := 10
+		tcx.WithReset(func() {
+			tcx.CLCExecute(ctx, "demo", "map-setmany", "10", "--name", m.Name(), "--size", "1")
+			require.Equal(t, count, check.MustValue(m.Size(context.Background())))
+			require.Equal(t, "a", check.MustValue(m.Get(ctx, "k1")))
+		})
+	})
+}
diff --git a/base/commands/demo/demo_map_set_many.go b/base/commands/demo/demo_map_set_many.go
new file mode 100644
index 00000000..3bb32bcc
--- /dev/null
+++ b/base/commands/demo/demo_map_set_many.go
@@ -0,0 +1,115 @@
+//go:build std || demo
+
+package demo
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/hazelcast/hazelcast-commandline-client/clc"
+	. "github.com/hazelcast/hazelcast-commandline-client/internal/check"
+	"github.com/hazelcast/hazelcast-commandline-client/internal/plug"
+	"github.com/hazelcast/hazelcast-go-client"
+)
+
+type MapSetManyCmd struct{}
+
+const (
+	flagName = "name"
+	flagSize = "size"
+	kb       = "KB"
+	mb       = "MB"
+	kbs      = 1024
+	mbs      = kbs * 1024
+)
+
+func (m MapSetManyCmd) Init(cc plug.InitContext) error {
+	cc.SetCommandUsage("map-setmany [entry-count] [flags]")
+	cc.SetPositionalArgCount(1, 1)
+	cc.AddStringFlag(flagName, "n", "default", false, "Name of the map.")
+	cc.AddStringFlag(flagSize, "", "", true, `Size of the map value in bytes, the following suffixes can also be used: kb, mb, e.g., 42kb)`)
+	help := "Generates multiple map entries."
+	cc.SetCommandHelp(help, help)
+	return nil
+}
+
+func (m MapSetManyCmd) Exec(ctx context.Context, ec plug.ExecContext) error {
+	entryCount := ec.Args()[0]
+	c, err := strconv.Atoi(entryCount)
+	if err != nil {
+		return err
+	}
+	mapName := ec.Props().GetString(flagName)
+	size := ec.Props().GetString(flagSize)
+	ci, err := ec.ClientInternal(ctx)
+	if err != nil {
+		return err
+	}
+	_, stop, err := ec.ExecuteBlocking(ctx, func(ctx context.Context, sp clc.Spinner) (any, error) {
+		sp.SetText(fmt.Sprintf("Creating entries in map %s with %d entries", mapName, c))
+		mm, err := ci.Client().GetMap(ctx, mapName)
+		if err != nil {
+			return nil, err
+		}
+		return nil, createEntries(ctx, c, size, mm)
+	})
+	if err != nil {
+		return err
+	}
+	stop()
+	return nil
+}
+
+func createEntries(ctx context.Context, entryCount int, size string, m *hazelcast.Map) error {
+	v, err := makeValue(size)
+	if err != nil {
+		return err
+	}
+	for i := 1; i <= entryCount; i++ {
+		k := fmt.Sprintf("k%d", i)
+		err := m.Set(ctx, k, v)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func makeValue(size string) (string, error) {
+	b, err := getValueSize(size)
+	if err != nil {
+		return "", err
+	}
+	return strings.Repeat("a", int(b)), nil
+}
+
+func getValueSize(sizeStr string) (int64, error) {
+	sizeStr = strings.ToUpper(sizeStr)
+	if strings.HasSuffix(sizeStr, kb) {
+		sizeStr = strings.TrimSuffix(sizeStr, kb)
+		size, err := strconv.ParseInt(sizeStr, 10, 64)
+		if err != nil {
+			return 0, err
+		}
+		return size * kbs, nil
+	}
+	if strings.HasSuffix(sizeStr, mb) {
+		sizeStr = strings.TrimSuffix(sizeStr, mb)
+		size, err := strconv.ParseInt(sizeStr, 10, 64)
+		if err != nil {
+			return 0, err
+		}
+		return size * mbs, nil
+	}
+	size, err := strconv.ParseInt(sizeStr, 10, 64)
+	if err != nil {
+		return 0, err
+	}
+	return size, nil
+}
+
+func init() {
+	Must(plug.Registry.RegisterCommand("demo:map-setmany", &MapSetManyCmd{}))
+}
diff --git a/docs/modules/ROOT/pages/clc-demo.adoc b/docs/modules/ROOT/pages/clc-demo.adoc
index d5e090bf..cdacc2ac 100644
--- a/docs/modules/ROOT/pages/clc-demo.adoc
+++ b/docs/modules/ROOT/pages/clc-demo.adoc
@@ -12,8 +12,9 @@ clc demo [command] [options]
 == Commands
 
 * <<clc-demo-generate-data, clc demo generate-data>>
+* <<clc-demo-map-setmany, clc demo map-setmany>>
 
-== clc demo submit
+== clc demo generate data
 
 Generates stream events
 	
@@ -63,3 +64,39 @@ Example:
 ----
 clc demo generate-data wikipedia-event-stream map=wiki-events --preview
 ----
+
+== clc demo map setmany
+
+Generates multiple map entries.
+
+Usage:
+
+[source,bash]
+----
+clc demo map-setmany [entry-count] [flags]
+----
+
+Parameters:
+
+[cols="1m,1a,2a,1a"]
+|===
+|Parameter|Required|Description|Default
+
+|`--name`, `-n`
+|Optional
+|Name of the map.
+|`default`
+
+|`--size`
+|Optional
+|Size of the map value in bytes, the following suffixes can also be used: kb, mb, e.g., 42kb
+|`1`
+
+|===
+
+Example:
+
+[source,bash]
+----
+clc demo map-setmany 10 --name myMap --size 1kb
+----
\ No newline at end of file