ser <user@hive.apache.org>
Subject: Hive optimizer
Hi,
Is Hive optimizer a cost based Optimizer (CBO) or a rule based optimizer (CBO)
or none of them.
thanks
the optimizations are rule based and some are cost based.
>
> John
>
> From: Ashok Kumar <ashok34...@yahoo.com>
> Reply-To: "user@hive.apache.org" <user@hive.apache.org>, Ashok Kumar <
> ashok34...@yahoo.com>
> Date: Wednesday, February 3, 2016 at 1
Hi,
Is Hive optimizer a cost based Optimizer (CBO) or a rule based optimizer (CBO)
or none of them.
thanks
pache.org>>, Ashok Kumar
<ashok34...@yahoo.com<mailto:ashok34...@yahoo.com>>
Date: Wednesday, February 3, 2016 at 11:45 AM
To: User <user@hive.apache.org<mailto:user@hive.apache.org>>
Subject: Hive optimizer
Hi,
Is Hive optimizer a cost based Optimizer (CBO) or a rule based optimizer (CBO)
or none of them.
thanks
).
Unfortunately, I don't have access to some critical compile-time data, so I
was hoping you can help me make some sense of some numbers by filling the
gaps or pointing me to sources with information regarding the way the Hive
optimizer works.
For all generated datasets, I used a plain TEXTFILE storage