@Override
  public void setOpenTxnTimeOutMillis(long openTxnTimeOutMillis) {
    TxnHandler.openTxnTimeOutMillis = openTxnTimeOutMillis;
  }
Retry-by-caller note:
Worst case, it will leave an open txn which will timeout.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java