message: updat example
diff: @@ -18,7 +18,7 @@ def RunJoin(rank: int, ctx: TwisterxContext, table1: Table, table2: Table, join_
  t1 = time.time()
  table3: Table = table1.distributed_join(ctx, table=table2, join_type=join_type, algorithm=join_algorithm, left_col=left_col, right_col=right_col)
  t2 = time.time()
  - ctx.Barrier()
  + ctx.barrier()
  t3 = time.time()
  try:
  logging.info(f"j_t {str(t2-t1)} sec, w_t {t3-t2} ,lines {table3.rows} t {join_type} a {join_algorithm}")
  @@ -32,7 +32,7 @@ def RunJoin(rank: int, ctx: TwisterxContext, table1: Table, table2: Table, join_
  ctx: TwisterxContext = TwisterxContext("mpi")
  -argv = sys.args
  +argv = sys.argv
  argc = len(argv)
  hostname: str = socket.gethostname()
  