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Re: Out Of Memory on localmode. - Hive - [mail # user]
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...In that situation I might turn the setting off entirely. You would guess that the common use case is not "really small datasets" better the query to take longer then to oom a machine. ...
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Author: Edward Capriolo,
2013-02-05, 16:39
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Re: Combine multiple row values based upon a condition. - Hive - [mail # user]
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...You may want to look at sort by, distribute by, and cluster by. This syntax controls which Reducers the data end up on and how it is sorted on each reducer. On Sun, Feb 3, 2013 at 2:27...
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Author: Edward Capriolo,
2013-02-03, 19:36
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Re: Can hive show external table filenames? - Hive - [mail # user]
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...You can execute dfs commands from inside hive hive>dfs -ls You can also use virtual columns inside a select https://cwiki.apache.org/Hive/languagemanual-virtualcolumns.h...
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Author: Edward Capriolo,
2013-01-31, 22:38
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Re: Can hive show external table filenames? - Hive - [mail # user]
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...Try describe extended or describe extended () the location is one of the properties Edward On Thu, Jan 31, 2013 at 2:37 PM, Keith Wiley wrote:...
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Author: Edward Capriolo,
2013-01-31, 20:12
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Re: Automating the partition creation process - Hive - [mail # user]
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...You can also just create all your partitions ahead of time. They will not do any harm if empty. (unless you have an older version and hit this... http://issues.apache.org/jira/browse/HIVE-10...
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Author: Edward Capriolo,
2013-01-30, 01:21
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Re: [VOTE] Amend Hive Bylaws + Add HCatalog Submodule - Hive - [mail # user]
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...Measure 1: +1 Measure 2: +1 On Mon, Jan 28, 2013 at 2:47 PM, Carl Steinbach wrote: ...
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Author: Edward Capriolo,
2013-01-30, 01:18
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Re: Cartesian product detection in the query plan? - Hive - [mail # user]
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...Currently order by is very inefficient in hive. Hopefully you can use sort by in most cases. It should be "visible" in the plan. The plan should be very different if you are using the ...
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Author: Edward Capriolo,
2013-01-28, 16:58
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Re: Cartesian product detection in the query plan? - Hive - [mail # user]
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...Iirc hive.mapred.mode strict should prevent this. If not we should add it. On Monday, January 28, 2013, David Morel wrote: org.apache.hadoop.mapred.SequenceFileInputFormat org.ap...
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Author: Edward Capriolo,
2013-01-28, 13:29
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Re: Whatever happened to the MACRO facility, Hive-2655 - Hive - [mail # user]
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...That is my fault I was hoping it would get in because it seems close. Ill see if i can shove the ticket along. It is a cool feature. On Sat, Jan 26, 2013 at 8:59 AM, Dean Wampler ...
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Author: Edward Capriolo,
2013-01-26, 16:30
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Re: Real-life experience of forcing smaller input splits? - Hive - [mail # user]
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...Not all files are split-table Sequence Files are. Raw gzip files are not. On Fri, Jan 25, 2013 at 1:47 AM, Nitin Pawar wrote: ...
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Author: Edward Capriolo,
2013-01-25, 07:46
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