congratulations!
Jov
blog: http:amutu.com/blog <http://amutu.com/blog>
2013/9/4 Carl Steinbach
> The Apache Hive PMC has voted to make Yin Huai a committer on the Apache
> Hive project.
>
> Please join me in congratulating Yin!
>
> Thanks.
>
> Carl
>
in hive ,stage means task.there are various tasks,such as
ddltask,fetchtask,mrtask etc.a hive query plan is some DAGs,when execute
the plan,hive picks one of the task node in each DAG to start.so root task
is the enter-task of each DAG.
Fetch task is a task fetch query results. Show stmts,select s