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Re: dynamic partition import - Hive - [mail # user]
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...can you check atleast one datanode is running and is not part of blacklisted nodes On Tue, May 29, 2012 at 3:01 PM, Nimra Choudhary wrote: Nitin Pawar...
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Author: Nitin Pawar,
2012-05-29, 09:37
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Re: odd header behavior? - Hive - [mail # user]
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...try putting them in a file and execute as -f queryfile On Sat, May 26, 2012 at 7:51 AM, Stephen Sprague wrote: Nitin Pawar...
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Author: Nitin Pawar,
2012-05-26, 05:59
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Re: start hive cli error - Hive - [mail # user]
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...error is due to default encoding. hive supports UTF-8 based encoding but somehow your hive setup is picking up GB2312. can you provide the output of locale command? Thanks,...
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Author: Nitin Pawar,
2012-05-22, 10:12
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Re: Multi Table Join & count Distinct - Hive - [mail # user]
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...try removing C1,C2 and C3 from select count should give you exactly one output, where as c1,c2,c3 may vary as per table On Tue, May 22, 2012 at 5:02 AM, cmdr taco wrote: &n...
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Author: Nitin Pawar,
2012-05-22, 05:40
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Re: Date format - any easier way - Hive - [mail # user]
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...I will write an UDF for array concatenation and upload on GIT if anyone does not have it already On Tue, May 15, 2012 at 7:24 PM, Zoltán Tóth-Czifra wrote: may not be ) r e...
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Author: Nitin Pawar,
2012-05-15, 14:33
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Re: Date format - any easier way - Hive - [mail # user]
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...may be something like this will work can you try using concat(split(date_sub(),"-"))) split returns the array and then you can concat them as you want if this does not work...
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Author: Nitin Pawar,
2012-05-15, 13:32
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Re: Date format - any easier way - Hive - [mail # user]
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...you may want to have a look at this function date_sub(string startdate, int days)Subtract a number of days to startdate: date_sub('2008-12-31', 1) = '2008-12-30' On Tue, May 15, 2012 a...
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Author: Nitin Pawar,
2012-05-15, 13:24
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Re: Is my Use Case possible with Hive? - Hive - [mail # user]
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...the problem with hive server with jdbc currently is that it does not handle concurrent connection in a seamless manner and chokes down on larger number of parallel query executions. Fo...
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Author: Nitin Pawar,
2012-05-15, 11:44
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Re: Is my Use Case possible with Hive? - Hive - [mail # user]
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...partitioning is mainly used when you want to access the table based on value of a particular column and dont want to go through entire table for same operation. This actually means if there ...
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Author: Nitin Pawar,
2012-05-14, 12:35
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Re: Is my Use Case possible with Hive? - Hive - [mail # user]
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...it is definitely possible to increase your performance. I have run queries where more than 10 billion records were involved. If you are doing joins in your queries, you may have a look...
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Author: Nitin Pawar,
2012-05-14, 09:43
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