add sleep on try

conn.go

 package zdb
 
 import (
+	"fmt"
 	"github.com/jackc/pgx/v5/pgxpool"
 )
 
@@ -31,3 +32,7 @@ func (c connMode) String() string {
 		return "unknown"
 	}
 }
+
+func (c conn) ToString() string {
+	return fmt.Sprintf("%s: %s:%d", c.Mode, c.Config().ConnConfig.Host, c.Config().ConnConfig.Port)
+}

pool.go

@@ -35,6 +35,7 @@ type Pool struct {
 	Continues    []string
 	ContinuesTry []string
 	TryOnError   int
+	TryOnSleep   time.Duration
 }
 
 func New() *Pool {
@@ -46,6 +47,7 @@ func New() *Pool {
 		Continues:       []string{"connect", "EOF", "conflict with recovery"},
 		ContinuesTry:    []string{"conflict with recovery"},
 		TryOnError:      1,
+		TryOnSleep:      time.Second * 5,
 	}
 }
 
@@ -152,13 +154,15 @@ func (d *Pool) execWrapper(pool connMode, dst any, f func(conn *conn, dst1 any)
 
 				if try < d.TryOnError && contains(err.Error(), d.ContinuesTry) {
 					try++
-					d.logger.Printf("DB_EXEC_WRAPPER_REPEAT_ERR: TRY: %d, %s", try, err.Error())
+					d.logger.Printf("DB_EXEC_WRAPPER_REPEAT_ERR: SRV: %s TRY: %d; %s", q.ToString(), try, err.Error())
+
+					time.Sleep(d.TryOnSleep)
 					goto repeat
 				}
 
 				if contains(err.Error(), d.Continues) {
 					d.setNotAliveConn(q)
-					d.logger.Printf("DB_EXEC_WRAPPER_ERR: %s", err.Error())
+					d.logger.Printf("DB_EXEC_WRAPPER_ERR: SRV: %s; %s", q.ToString(), err.Error())
 					continue
 				} else {
 					return err