在我的应用程序中,我有一个处理Canvas ImageData的函数。它看起来是这样的: function processData(imagedata, filters) {
var data = imagedata.data;
//manipulate data with filters
imageData.data = data;
return imag
想这些都是我的数据: ‘Maps‘ and ‘Reduces‘ are two phases of solving a query in HDFS.
‘Map’ is responsible to read data from input location.
it will generate a key value pair.
that is, an intermediate output