Re: Basic questions about Giraph internals

[Alexander Frolov]

>
> Thank you, I will try to do this. As I understood I should set number of
> threads manually through Giraph API.
>
> BTW, what is conceptual difference between running multiple workers on the
> TaskTracker and running single worker and multiple threads? In terms of
> vertex fetching, memory sharing etc.
>
>  Also I would like to ask how message transfer between vertices is
implemented in terms of Hadoop primitives? Source code reference will be
enough.