In [ ]:
TableDisplay.loadingMode = "ENDLESS"

In [ ]:
rowList = []
for (row = 0; row < 1000000; row++) {
    colMap = new LinkedHashMap();
    for (col = 0 ; col < 10; col++) {
      colMap.put('a' + col, row * col)
    }
    rowList << colMap
}

rowList

In [ ]:
TableDisplay.loadingMode = "ALL"