Re: Question on bucketed map join

2012-03-26 Thread Amit Sharma
Hi Bejoy, I am joining two tables which are both bucketed 64 ways and i want to do a bucketed map join on them. I set the flag set hive.optimize.bucketmapjoin = true;. The auto.convert.join is always false on our cluster. When i run the following query: select /*+ MAPJOIN(b) */ a.visitor_id FROM

Re: Question on bucketed map join

2012-01-25 Thread Bejoy Ks
2012 10:39 PM Subject: Re: Question on bucketed map join Hi Bejoy, Thanks a lot for your help:)  I'm still a little confused. In my script I always have the set.auto.convert.join = true. Then I did what you suggested: 1st -> set hive.optimize.bucketmapjoin=tru

Re: Question on bucketed map join

2012-01-24 Thread Avrilia Floratou
d. > > Hope it helps!.. > > Regards > Bejoy K S > From: Bejoy Ks > Date: Thu, 19 Jan 2012 09:22:08 -0800 (PST) > To: user@hive.apache.org > ReplyTo: user@hive.apache.org > Subject: Re: Question on bucketed map join > > Hi Avrila >AFAIK t

Re: Question on bucketed map join

2012-01-19 Thread bejoy_ks
e.org Subject: Re: Question on bucketed map join Hi Avrila    AFAIK the bucketed map join is not default in hive and it happens only when the values is set to true. It could be because the same value is already set in the hive configuration xml file. To cross confirm the same could you expli

Re: Question on bucketed map join

2012-01-19 Thread Bejoy Ks
Hi Avrila    AFAIK the bucketed map join is not default in hive and it happens only when the values is set to true. It could be because the same value is already set in the hive configuration xml file. To cross confirm the same could you explicitly set this to false (set hive.optimize.buck