diff --git a/smoke/go.mod b/smoke/go.mod
index dbf95cf434f..d68c7193fba 100644
--- a/smoke/go.mod
+++ b/smoke/go.mod
@@ -12,6 +12,7 @@ require (
 	github.com/pkg/xattr v0.4.9
 	github.com/stretchr/testify v1.8.4
 	golang.org/x/sys v0.15.0
+	github.com/mattn/go-sqlite3 v1.14.23
 )
 
 require (
@@ -27,6 +28,7 @@ require (
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/klauspost/compress v1.17.4 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
+	github.com/mattn/go-sqlite3 v1.14.23 // indirect
 	github.com/moby/sys/mountinfo v0.7.1 // indirect
 	github.com/moby/sys/sequential v0.5.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0-rc5 // indirect
diff --git a/smoke/go.sum b/smoke/go.sum
index 0fa56cfafd8..67e97a62e87 100644
--- a/smoke/go.sum
+++ b/smoke/go.sum
@@ -10,6 +10,7 @@ github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGX
 github.com/containerd/cgroups v1.1.0 h1:v8rEWFl6EoqHB+swVNjVoCJE8o3jX7e8nqBGPLaDFBM=
 github.com/containerd/cgroups v1.1.0/go.mod h1:6ppBcbh/NOOUU+dMKrykgaBnK9lCIBxHqJDGwsa1mIw=
 github.com/containerd/containerd v1.7.11 h1:lfGKw3eU35sjV0aG2eYZTiwFEY1pCzxdzicHP3SZILw=
+github.com/containerd/containerd v1.7.11/go.mod h1:5UluHxHTX2rdvYuZ5OJTC5m/KJNs0Zs9wVoJm9zf5ZE=
 github.com/containerd/continuity v0.4.3 h1:6HVkalIp+2u1ZLH1J/pYX2oBVXlJZvh1X1A7bEZ9Su8=
 github.com/containerd/continuity v0.4.3/go.mod h1:F6PTNCKepoxEaXLQp3wDAjygEnImnZ/7o4JzpodfroQ=
 github.com/containerd/fifo v1.1.0 h1:4I2mbh5stb1u6ycIABlBw9zgtlK8viPI9QkQNRQEEmY=
@@ -53,6 +54,7 @@ github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
 github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -67,7 +69,10 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/mattn/go-sqlite3 v1.14.23 h1:gbShiuAP1W5j9UOksQ06aiiqPMxYecovVGwmTxWtuw0=
+github.com/mattn/go-sqlite3 v1.14.23/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
 github.com/moby/sys/mountinfo v0.7.1 h1:/tTvQaSJRr2FshkhXiIpux6fQ2Zvc4j7tAhMTStAG2g=
+github.com/moby/sys/mountinfo v0.7.1/go.mod h1:IJb6JQeOklcdMU9F5xQ8ZALD+CUr5VlGpwtX+VE0rpI=
 github.com/moby/sys/sequential v0.5.0 h1:OPvI35Lzn9K04PBbCLW0g4LcFAJgHsvXsRyewg5lXtc=
 github.com/moby/sys/sequential v0.5.0/go.mod h1:tH2cOOs5V9MlPiXcQzRC+eEyab644PWKGRYaaV5ZZlo=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
@@ -135,6 +140,7 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20220408201424-a24fb2fb8a0f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
 golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
diff --git a/smoke/tests/chunk_dedup_test.go b/smoke/tests/chunk_dedup_test.go
new file mode 100644
index 00000000000..3e7f178a00a
--- /dev/null
+++ b/smoke/tests/chunk_dedup_test.go
@@ -0,0 +1,72 @@
+// Copyright 2024 Nydus Developers. All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package tests
+
+import (
+	"database/sql"
+	"path/filepath"
+	"testing"
+
+	_ "github.com/mattn/go-sqlite3"
+
+	"github.com/containerd/nydus-snapshotter/pkg/converter"
+	"github.com/dragonflyoss/nydus/smoke/tests/texture"
+	"github.com/dragonflyoss/nydus/smoke/tests/tool"
+	"github.com/dragonflyoss/nydus/smoke/tests/tool/test"
+	"github.com/opencontainers/go-digest"
+	"github.com/stretchr/testify/require"
+)
+
+type ChunkDedupTestSuite struct{}
+
+func (c *ChunkDedupTestSuite) TestCasTables(t *testing.T) {
+	ctx := tool.DefaultContext(t)
+
+	// Prepare work directory
+	ctx.PrepareWorkDir(t)
+	defer ctx.Destroy(t)
+
+	lowerLayer := texture.MakeLowerLayer(t, filepath.Join(ctx.Env.WorkDir, "source"))
+	lowerOCIBlobDigest, lowerRafsBlobDigest := lowerLayer.PackRef(t, *ctx, ctx.Env.BlobDir, ctx.Build.OCIRefGzip)
+	mergeOption := converter.MergeOption{
+		BuilderPath:   ctx.Binary.Builder,
+		ChunkDictPath: "",
+		OCIRef:        true,
+	}
+	actualDigests, lowerBootstrap := tool.MergeLayers(t, *ctx, mergeOption, []converter.Layer{
+		{
+			Digest:         lowerRafsBlobDigest,
+			OriginalDigest: &lowerOCIBlobDigest,
+		},
+	})
+	require.Equal(t, []digest.Digest{lowerOCIBlobDigest}, actualDigests)
+
+	ctx.Env.BootstrapPath = lowerBootstrap
+	ctx.Runtime.ChunkDedupDb = filepath.Join(ctx.Env.WorkDir, "cas.db")
+
+	nydusd, err := tool.NewNydusdWithContext(*ctx)
+	require.NoError(t, err)
+	err = nydusd.Mount()
+	require.NoError(t, err)
+	defer nydusd.Umount()
+	nydusd.Verify(t, lowerLayer.FileTree)
+
+	db, err := sql.Open("sqlite3", ctx.Runtime.ChunkDedupDb)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+
+	for _, expectedTable := range []string{"Blobs", "Chunks"} {
+		query := "SELECT 1 FROM " + expectedTable + " LIMIT 1;"
+		_, err := db.Query(query)
+		require.NoError(t, err)
+
+	}
+}
+
+func TestChunkDedup(t *testing.T) {
+	test.Run(t, &ChunkDedupTestSuite{})
+}
diff --git a/smoke/tests/tool/context.go b/smoke/tests/tool/context.go
index 04cf6d851cf..b1215f59b7d 100644
--- a/smoke/tests/tool/context.go
+++ b/smoke/tests/tool/context.go
@@ -39,6 +39,7 @@ type RuntimeContext struct {
 	RafsMode        string
 	EnablePrefetch  bool
 	AmplifyIO       uint64
+	ChunkDedupDb    string
 }
 
 type EnvContext struct {
diff --git a/smoke/tests/tool/nydusd.go b/smoke/tests/tool/nydusd.go
index c340cce88b1..6f1915eddee 100644
--- a/smoke/tests/tool/nydusd.go
+++ b/smoke/tests/tool/nydusd.go
@@ -74,6 +74,7 @@ type NydusdConfig struct {
 	AccessPattern   bool
 	PrefetchFiles   []string
 	AmplifyIO       uint64
+	ChunkDedupDb    string
 	// Hot Upgrade config.
 	Upgrade            bool
 	SupervisorSockPath string
@@ -193,6 +194,9 @@ func newNydusd(conf NydusdConfig) (*Nydusd, error) {
 	if len(conf.BootstrapPath) > 0 {
 		args = append(args, "--bootstrap", conf.BootstrapPath)
 	}
+	if len(conf.ChunkDedupDb) > 0 {
+		args = append(args, "--dedup-db", conf.ChunkDedupDb)
+	}
 	if conf.Upgrade {
 		args = append(args, "--upgrade")
 	}
@@ -276,6 +280,7 @@ func NewNydusdWithContext(ctx Context) (*Nydusd, error) {
 		RafsMode:        ctx.Runtime.RafsMode,
 		DigestValidate:  false,
 		AmplifyIO:       ctx.Runtime.AmplifyIO,
+		ChunkDedupDb:    ctx.Runtime.ChunkDedupDb,
 	}
 
 	if err := makeConfig(NydusdConfigTpl, conf); err != nil {