thanks, david and ted, I know that the content of RDD can be returned to
driver using `collect
On Tue, Jan 19, 2016 at 11:44 AM, Ted Yu <yuzhih...@gmail.com> wrote:
> Here is signature for foreach:
> def foreach(f: T => Unit): Unit = withScope {
>
> I don't think you can return element in the way shown in the snippet.
>
> On Mon, Jan 18, 2016 at 7:34 PM, charles li <charles.up...@gmail.com>
> wrote:
>
>> code snippet
>>
>>
>>
>> the 'print' actually print info on the worker node, but I feel confused
>> where the 'return' value
>> goes to. for I get nothing on the driver node.
>> --
>> *--------------------------------------*
>> a spark lover, a quant, a developer and a good man.
>>
>> http://github.com/litaotao
>>
>
>
--
*--------------------------------------*
a spark lover, a quant, a developer and a good man.
http://github.com/litaotao
