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HIVE optimizer enhancements in 0.9.0+ releases - Hive - [mail # dev]
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...Hi, I am a HIVE user who is working on anlytical applications on large data sets. For us, the HIVE performance is critical for the success of our product. I was wondering if there are ...
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Author: Sukhendu Chakraborty,
2012-11-15, 20:45
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HIVE optimizer enhancements in 0.9.0+ releases - Hive - [mail # dev]
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...Hi, I am a HIVE user who is working on anlytical applications on large data sets. For us, the HIVE performance is critical for the success of our product. I was wondering if there are ...
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Author: Sukhendu Chakraborty,
2012-11-15, 20:37
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Re: How to apply data mining on Hive? - Hive - [mail # user]
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...If you are interested, you can also look at Apache hama which provides an MPI like interface on top of hadoop map-reduce. http://incubator.apache.org/hama/ On Jun 8, 2012 4:55 PM, "Mar...
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Author: Sukhendu Chakraborty,
2012-06-09, 00:50
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Re: NaNs and Infinity support in HIVE? - Hive - [mail # user]
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...Thanks Mark. Yes, my findings were similar. It looks like HIVE does not distinguish between Infinity and NaNs. -Sukhendu On Thu, May 17, 2012 at 6:50 PM, Mark Grover wrote:...
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Author: Sukhendu Chakraborty,
2012-05-18, 03:31
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is anybody looking at case-sensitivity for HIVE object names? - Hive - [mail # user]
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...https://issues.apache.org/jira/browse/HIVE-912 talks about case-sensitivity, but it does not fixes the issue. I would like for HIVE to have to enforce case-sensitivity for HIVE object ...
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Author: Sukhendu Chakraborty,
2012-05-17, 19:44
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Re: Order by Sort by partitioned columns - Hive - [mail # user]
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...I think in HIVE the partitioned columns are virtual. They are not physical data columns but a directory name corr. to the partition key value to facilitate partition pruning during select. O...
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Author: Sukhendu Chakraborty,
2012-05-16, 02:47
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NaNs and Infinity support in HIVE? - Hive - [mail # user]
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...Are NaNs and/or Infinity supported in HIVE? If yes, I wanted to know how are NaNs and Infinity values represented in HDFS files to be interpreted correctly in Hive. When I do 'select 1...
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Author: Sukhendu Chakraborty,
2012-05-14, 18:40
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Re: removing hdfs table data directory does not throw error in hive - Hive - [mail # user]
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...Thanks Nitin. I am aware of what Hive is doing. The question is, is it okay not return an error/warning when no data is found since the metadata for the table also contains the data location...
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Author: Sukhendu Chakraborty,
2012-04-24, 03:40
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removing hdfs table data directory does not throw error in hive - Hive - [mail # user]
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...I have a hive table tab3 with two columns (c1 int, c2 int) hive> load data local inpath '/tmp/orhc466fb981' into table tab3; Copying data from file:/tmp/orhc466fb981 Copying file: f...
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Author: Sukhendu Chakraborty,
2012-04-24, 00:55
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Re: WITH clause support in HIVE - Hive - [mail # user]
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...We are looking to build an abstraction layer on top of hive where objects store Hive queries. These queries gets executed when those objects are accessed by the user. There can be derived ob...
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Author: Sukhendu Chakraborty,
2012-04-18, 04:06
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