message PTabletWriterAddBlockRequest {
  required .doris.PUniqueId id = 1;
  required int64 index_id = 2;
  required int32 sender_id = 3;
  optional bool eos = 4;
  optional int64 packet_seq = 5;
  repeated int64 tablet_ids = 6;
  optional .doris.PBlock block = 7;
  repeated int64 partition_ids = 8;
  optional int64 backend_id = 9 [default = -1];
  optional bool transfer_by_attachment = 10 [default = false];
  optional bool is_high_priority = 11 [default = false];
  optional bool write_single_replica = 12 [default = false];
  map<int64, .doris.PSlaveTabletNodes> slave_tablet_nodes = 13;
  optional bool is_single_tablet_block = 14 [default = false];
  optional bool hang_wait = 15 [default = false];
}