message POpenLoadStreamRequest {
  optional .doris.PUniqueId load_id = 1;
  optional int64 txn_id = 2;
  optional int64 src_id = 3;
  optional .doris.POlapTableSchemaParam schema = 4;
  repeated .doris.PTabletID tablets = 5;
  optional bool enable_profile = 6 [default = false];
  optional int64 total_streams = 7;
  optional int64 idle_timeout_ms = 8;
}