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RE: Percentile calculation - Hive - [mail # user]
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...Sorry for missing out on a very important piece of information. I am running this query Select explode(percentile(i_xxx,array(0.01,0.05,0.5,0.75,0.95,0.99) ))from table; Th...
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Author: Mayank Bansal,
2012-10-03, 09:03
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RE: Percentile calculation - Hive - [mail # user]
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...I have a 11 node hadoop cluster, the map phase runs, the process fails at the reduce phase after 67% competition with the out of java heap space error. Could you please tell me, what f...
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Author: Mayank Bansal,
2012-10-02, 12:52
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RE: hive query fails - Hive - [mail # user]
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...Could you give more details, it would be helpful if you could share the log files from the tasktracker for this job. Your tracking url has details for the process, you could start from...
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Author: Mayank Bansal,
2012-10-01, 11:07
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RE: Upper case column names - Hive - [mail # user]
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...Ok, Thanks for all the help. From: Edward Capriolo [mailto:[EMAIL PROTECTED]] Sent: Thursday, August 16, 2012 1:09 AM To: [EMAIL PROTECTED] Subject: Re: Upper case column names N...
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Author: Mayank Bansal,
2012-08-15, 20:46
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RE: Upper case column names - Hive - [mail # user]
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...Hi, I wanted to ask one more thing, will changing the database from derby to so me other help me in getting upper case column names? Thanks, Mayank From: Mayank Bansal [mai...
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Author: Mayank Bansal,
2012-08-15, 13:05
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RE: Upper case column names - Hive - [mail # user]
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...Hi. No not really, if it's very difficult I will do the hard task of changing t he code for my model. I had thought it would be most likely a table in the derby database which w ould c...
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Author: Mayank Bansal,
2012-08-15, 07:22
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Upper case column names - Hive - [mail # user]
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...Hi, The column names in hive are by default case insensitive. I was wondering if there is any way, I could make the column names case sen sitive? I am running a model on a data, the da...
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Author: Mayank Bansal,
2012-08-14, 15:24
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Loading files from a directory - Hive - [mail # user]
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...Hi, I am trying to create an external table in hive, by referring to a director y in hadoop containing multiple files of the same type inside the directory . But hive gives an error, t...
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Author: Mayank Bansal,
2012-06-21, 10:14
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FW: Issues with Hive - Hive - [mail # user]
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...Hi, Regarding the error below I was doing a hit and trial method of work. I found that I could run a maximum of 128 count(distinct()) in a single sel ect query in Hive. I wanted to ask...
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Author: Mayank Bansal,
2012-06-12, 14:04
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Issues with Hive - Hive - [mail # user]
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...Hi, I am writing a hive query to run on over 800 columns, what I am doing is a count(distinct(col_name)) of all the columns in one hive query with a selec t query. I got the foll...
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Author: Mayank Bansal,
2012-06-11, 13:59
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