diff --git a/modules/packages/arch/metadata.go b/modules/packages/arch/metadata.go
index d8ca5ed1b7..4149e87bfa 100644
--- a/modules/packages/arch/metadata.go
+++ b/modules/packages/arch/metadata.go
@@ -6,7 +6,6 @@ package arch
 import (
 	"archive/tar"
 	"bufio"
-	"bytes"
 	"compress/gzip"
 	"encoding/hex"
 	"fmt"
@@ -215,10 +214,13 @@ func rmEmptyStrings(s []string) []string {
 }
 
 // Create pacman database archive based on provided package metadata structs.
-func CreatePacmanDb(entries map[string][]byte) ([]byte, error) {
-	var out bytes.Buffer
+func CreatePacmanDb(entries map[string][]byte) (io.ReadSeeker, error) {
+	out, err := pkg_module.NewHashedBuffer()
+	if err != nil {
+		return nil, err
+	}
 
-	gw := gzip.NewWriter(&out)
+	gw := gzip.NewWriter(out)
 	tw := tar.NewWriter(gw)
 
 	for name, content := range entries {
@@ -244,5 +246,5 @@ func CreatePacmanDb(entries map[string][]byte) ([]byte, error) {
 	tw.Close()
 	gw.Close()
 
-	return out.Bytes(), nil
+	return out, nil
 }
diff --git a/routers/api/packages/arch/arch.go b/routers/api/packages/arch/arch.go
index d0a4357bbd..e7499b4a47 100644
--- a/routers/api/packages/arch/arch.go
+++ b/routers/api/packages/arch/arch.go
@@ -4,7 +4,6 @@
 package arch
 
 import (
-	"bytes"
 	"encoding/hex"
 	"io"
 	"net/http"
@@ -160,7 +159,7 @@ func Get(ctx *context.Context) {
 			return
 		}
 
-		ctx.ServeContent(bytes.NewReader(db), &context.ServeHeaderOptions{
+		ctx.ServeContent(db, &context.ServeHeaderOptions{
 			Filename: file,
 		})
 		return
diff --git a/services/packages/arch/service.go b/services/packages/arch/service.go
index 5e01e49b37..bddc9a78e1 100644
--- a/services/packages/arch/service.go
+++ b/services/packages/arch/service.go
@@ -77,7 +77,7 @@ func RepoConnect(ctx *context.Context, owner, repo string, pkgid int64) error {
 // requested combination of architecture and distribution. When/If the first
 // compatible version is found, related desc file will be loaded from database
 // and added to resulting .db.tar.gz archive.
-func CreatePacmanDb(ctx *context.Context, owner, arch, distro string) ([]byte, error) {
+func CreatePacmanDb(ctx *context.Context, owner, arch, distro string) (io.ReadSeeker, error) {
 	pkgs, err := pkg_model.GetPackagesByType(ctx, ctx.Package.Owner.ID, pkg_model.TypeArch)
 	if err != nil {
 		return nil, err