check these> mapred.max.split.size
> mapred.min.split.size
On Friday, January 8, 2016 6:41 PM, Todd <bit1...@163.com> wrote:
Hi,
I have Hadoop (2.6.0, pseudo distributed mode) and Hive (1.2.1) installed on my
local machine. I have a table A,its underlying file takes up 8 HDFS blocks.
When I run a query like
select count(1) from A
>From the result, I see only 1 mapper task ,I thought it should be equal to the
>block numbers.
How could I configure to make the mapper number to be equal to the block
numbers?
Thanks!
