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Re: Hive producing difference outputs - Hive - [mail # user]
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...resent as no one has replied yet :) On Thu, Nov 15, 2012 at 11:18 AM, Chen Song wrote: Chen Song...
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Author: Chen Song,
2012-12-19, 16:55
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Re: map side join with group by - Hive - [mail # user]
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...Thanks Nitin. This is all I want to clarify :) Chen On Thu, Dec 13, 2012 at 2:30 PM, Nitin Pawar wrote: Chen Song...
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Author: Chen Song,
2012-12-13, 19:50
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Re: map side join with group by - Hive - [mail # user]
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...Nitin Yeah. My original question is that is there a way to force Hive (or rather to say, is it possible) to execute map side join at mapper phase and group by in reduce phase. So inste...
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Author: Chen Song,
2012-12-13, 19:12
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Re: map side join with group by - Hive - [mail # user]
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...Understood that fact that it is impossible in the same MR job if both join and group by are gonna happen in the reduce phase (because the join keys and group by keys are different). But for ...
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Author: Chen Song,
2012-12-13, 18:24
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Re: map side join with group by - Hive - [mail # user]
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...Yeah, my abridged version of query might be a little broken but my point is that when a query has a map join and group by, even in its simplified incarnation, it will launch two jobs. I was ...
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Author: Chen Song,
2012-12-13, 14:56
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map side join with group by - Hive - [mail # user]
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...I have a silly question on how Hive interpretes a simple query with both map side join and group by. Below query will translate into two jobs, with the 1st one as a map only job doing ...
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Author: Chen Song,
2012-12-12, 23:32
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Hive producing difference outputs - Hive - [mail # user]
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...Hi Folks We are getting inconsistent output when running some semantically same Hive queries. We are using *CDH3u3* with *Hive 0.7.1.* The query I am running performs a map-side ...
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Author: Chen Song,
2012-11-15, 16:18
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Re: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.MoveTask - Hive - [mail # user]
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...Is there anything interesting on hive.log? If you are running Hive shell with root user, by default, the hive.log should be in /tmp/hive.log. BTW, are you using MySQL as your met...
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Author: Chen Song,
2012-10-29, 17:19
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Re: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.MoveTask - Hive - [mail # user]
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...Looks to me the permission issue. Can you check if the user (which ran the hive query) has write permission on */user/hive/warehouse/mydatabase.db/mytable?* On Mon, Oct 29, 2012 ...
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Author: Chen Song,
2012-10-29, 15:00
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Re: general question on hive client log - Hive - [mail # user]
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...Thanks Nitin. I also found this wiki. But it only documented the hive client log. What about other log files created during a query? Chen On Thu, Oct 25, 2012 at 7:30 AM, N...
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Author: Chen Song,
2012-10-25, 14:26
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