sumit ghosh 2013-06-07, 06:42
-Re: Skewed Join
Nitin Pawar 2013-06-07, 06:46
can you share your query and your table definition ?
On Fri, Jun 7, 2013 at 12:12 PM, sumit ghosh <[EMAIL PROTECTED]> wrote:
> I am hit by skewed Join, my last reducer is getting same number of Reduce
> input groups/records.
> Reduce input groups 432,446,942
> Reduce shuffle bytes 13,012,613,275
> Reduce input records 432,446,942
> Why is this happening? I have turned on skew join optimization: