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Re: Where is the location of hive queries - Hive - [mail # user]
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...Or use a variant of the INSERT statement to write to a directory or a table. On Wed, Mar 6, 2013 at 10:05 AM, Nitin Pawar wrote: *Dean Wampler, Ph.D.* thinkbiganalytics.c...
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Author: Dean Wampler,
2013-03-06, 16:28
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Re: Best table storage for analytical use case - Hive - [mail # user]
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...MapReduce is very course-grained. It might seem that more cores is better, but once the data sizes get well below the block threshold in size, the overhead of starting JVM processes and all ...
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Author: Dean Wampler,
2013-03-06, 16:02
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Re: Hive sample test - Hive - [mail # user]
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...NIce, yea that would do it. On Tue, Mar 5, 2013 at 1:26 PM, Mark Grover wrote: *Dean Wampler, Ph.D.* thinkbiganalytics.com +1-312-339-1330...
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Author: Dean Wampler,
2013-03-05, 19:44
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Re: Hive sample test - Hive - [mail # user]
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...Unfortunately, it will still go through the whole thing, then just limit the output. However, there's a flag that I think only works in more recent Hive releases: set hive.limit.optimi...
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Author: Dean Wampler,
2013-03-05, 18:57
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Re: Location of external table in hdfs - Hive - [mail # user]
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.../tmp/states in HDFS. On Tue, Mar 5, 2013 at 10:56 AM, Sai Sai wrote: *Dean Wampler, Ph.D.* thinkbiganalytics.com +1-312-339-1330...
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Author: Dean Wampler,
2013-03-05, 17:01
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Re: Error while exporting table data from hive to Oracle through Sqoop - Hive - [mail # user]
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...that doesn't have unique keys, so it could be a data problem. On Tue, Mar 5, 2013 at 7:54 AM, Ajit Kumar Shreevastava wrote: *Dean Wampler, Ph.D.* thinkbiganalytics...
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Author: Dean Wampler,
2013-03-05, 13:58
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Re: doubt with LEFT OUTER JOIN - Hive - [mail # user]
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...None that I know of, but I haven't tried too many cases. Of course, there shouldn't be ;) On Mon, Mar 4, 2013 at 6:38 PM, kumar mr wrote: *Dean Wampler, Ph.D.* think...
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Author: Dean Wampler,
2013-03-05, 00:44
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Re: Best table storage for analytical use case - Hive - [mail # user]
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...RCFile won't help much (and apparently not all in this case ;) unless you have a lot of columns and you always query just a few of them. However, you should get better results with Sequence ...
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Author: Dean Wampler,
2013-03-04, 22:44
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Re: doubt with LEFT OUTER JOIN - Hive - [mail # user]
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...I just tried an experiment where the right-hand table was empty. It worked fine. Could you post more details, like the query, create table statements, etc? What version of Hive? On Fr...
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Author: Dean Wampler,
2013-03-01, 20:23
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Re: regexp_replace with unicode chars - Hive - [mail # user]
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...Anyone know if translate takes ranges, like some implementations? e.g., translate ('[a-z]', '[A-Z]') Of course, that probably doesn't work for non-ascii characters. On Fri,...
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Author: Dean Wampler,
2013-03-01, 17:31
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