logic and dependencies in the joins)
From: Igor Tatarinov
To: user@hive.apache.org; Shantian Purkad
Sent: Tuesday, June 7, 2011 12:58 PM
Subject: Re: Skew Join Optimization in hive
Have you tried splitting the query into 2 or 3 steps and/or enabling map jons
Have you tried splitting the query into 2 or 3 steps and/or enabling map
jons (SET hive.auto.convert.join = true;) if some of the tables are
smallish?
On Tue, Jun 7, 2011 at 12:31 PM, Shantian Purkad
wrote:
> Hi,
>
> I have a query which joins 12 different tables (most of them left outer
> joins