Re: Hive optimizer

2016-02-04 Thread Ashok Kumar
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

Re: Hive optimizer

2016-02-04 Thread Lefty Leverenz
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

Hive optimizer

2016-02-03 Thread Ashok Kumar
  Hi, Is Hive optimizer a cost based Optimizer (CBO) or a rule based optimizer (CBO) or none of them. thanks

Re: Hive optimizer

2016-02-03 Thread John Pullokkaran
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

Re: Hive Optimizer Questions

2011-07-24 Thread Alexander Alexandrov
). 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