diff --git a/zdb/pool.go b/zdb/pool.go
index 596c9a42e832213719e09aaec9a2563de6f005a6..890f4ecb392102996b1c6ab058bc9c889c749c48 100644
--- a/zdb/pool.go
+++ b/zdb/pool.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"fmt"
 	"github.com/jackc/pgx/v5/pgxpool"
-	"log"
 	"reflect"
 	"runtime"
 	"strconv"
@@ -41,29 +40,6 @@ type Pool struct {
 	PingTry         int
 }
 
-func New(ctx context.Context) *Pool {
-	return &Pool{
-		ctx:             ctx,
-		mu:              &sync.RWMutex{},
-		slavesIter:      &atomic.Int64{},
-		slavesAsyncIter: &atomic.Int64{},
-		Continues:       []string{"connect", "EOF", "conflict with recovery", "context deadline exceeded"},
-		ContinuesTry:    []string{"conflict with recovery"},
-		TryOnError:      1,
-		TryOnSleep:      time.Second,
-		Balance:         BalanceLeastConn,
-		PingTimout:      time.Second * 5,
-		PingTry:         5,
-	}
-}
-
-func NewDefault() *Pool {
-	p := New(context.Background())
-	p.logger = log.Default()
-
-	return p
-}
-
 func (d *Pool) WithContext(ctx context.Context) *Pool {
 	return &Pool{
 		ctx:             ctx,
diff --git a/zdb/zdb.go b/zdb/zdb.go
new file mode 100644
index 0000000000000000000000000000000000000000..a15e6c2de353fc2bab0ed99be1b9093c67dd9718
--- /dev/null
+++ b/zdb/zdb.go
@@ -0,0 +1,40 @@
+package zdb
+
+import (
+	"context"
+	"log"
+	"sync"
+	"sync/atomic"
+	"time"
+)
+
+func New(ctx context.Context) *Pool {
+	return &Pool{
+		ctx:             ctx,
+		mu:              &sync.RWMutex{},
+		slavesIter:      &atomic.Int64{},
+		slavesAsyncIter: &atomic.Int64{},
+		Continues:       []string{"connect", "EOF", "conflict with recovery", "context deadline exceeded"},
+		ContinuesTry:    []string{"conflict with recovery"},
+		TryOnError:      1,
+		TryOnSleep:      time.Second,
+		Balance:         BalanceLeastConn,
+		PingTimout:      time.Second * 5,
+		PingTry:         5,
+	}
+}
+
+func NewDefault() *Pool {
+	p := New(context.Background())
+	p.logger = log.Default()
+
+	return p
+}
+
+func NewMaster(conn string) *Pool {
+	s := NewDefault()
+	_ = s.NewConn(ConnModeMaster, conn)
+	s.Start()
+
+	return s
+}