improve topic writer logs

Author: rekby

CHANGELOG.md

@@ -1,4 +1,4 @@
-* Added reason of internal topic writer reconnect to logs
+* "No endpoints" is retriable error now
 
 ## v3.99.3
 * Fixed potential infinity loop for local dc detection (CWE-835)

internal/balancer/balancer.go

@@ -10,6 +10,7 @@ import (
 	"google.golang.org/grpc"
 
 	"github.com/ydb-platform/ydb-go-sdk/v3/config"
+	"github.com/ydb-platform/ydb-go-sdk/v3/internal/backoff"
 	balancerConfig "github.com/ydb-platform/ydb-go-sdk/v3/internal/balancer/config"
 	"github.com/ydb-platform/ydb-go-sdk/v3/internal/conn"
 	"github.com/ydb-platform/ydb-go-sdk/v3/internal/credentials"
@@ -28,7 +29,7 @@ import (
 )
 
 var (
-	ErrNoEndpoints    = xerrors.Wrap(fmt.Errorf("no endpoints"))
+	ErrNoEndpoints    = xerrors.Wrap(xerrors.Retryable(fmt.Errorf("no endpoints"), xerrors.WithBackoff(backoff.TypeSlow)))
 	errBalancerClosed = xerrors.Wrap(fmt.Errorf("internal ydb sdk balancer closed"))
 )