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An explanation of LEFT OUTER JOIN and NULL values - Hive - [mail # user]
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...Hi! After hitting the "curse of the last reducer" many times on LEFT OUTER JOIN queries, and trying to think about it, I came to the conclusion there's something I am missing regarding...
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Author: David Morel,
2013-01-24, 17:03
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Re: Thrift Hive client for CDH 4.1 HiveServer2? - Hive - [mail # user]
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...So that would probably be generated using src/service/if/cli_service.thrift instead of the older hive_service.thrift which i suppose is for hiveserver1. Compiled it, still getting errors tha...
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Author: David Morel,
2013-01-05, 11:00
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Re: Thrift Hive client for CDH 4.1 HiveServer2? - Hive - [mail # user]
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...On 4 Jan 2013, at 16:04, Jov wrote: they are in the src/service/if and src/metastore/if Cool. But these would be files for HiveServer, not HiveServer2 which has a different API, ...
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Author: David Morel,
2013-01-05, 08:13
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Thrift Hive client for CDH 4.1 HiveServer2? - Hive - [mail # user]
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...Hi all (and happy New Year!) Is it possible to build a perl Thrift client for HiveServer2 (from Cloudera's 4.1.x) ? I'm following the instructions found here: http://stackoverflo...
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Author: David Morel,
2013-01-03, 23:16
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Re: Skew join failure - Hive - [mail # user]
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...On 30 Nov 2012, at 16:46, Mark Grover wrote: Hey Mark, thanks for answering! I didn't set it to anything, but left it at its default value (100,000 IIRC). I should probabl...
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Author: David Morel,
2012-12-03, 20:25
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Skew join failure - Hive - [mail # user]
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...Hi, I am trying to solve the "last reducer hangs because of GC because of truckloads of data" issue that I have on some queries, by using SET hive.optimize.skewjoin=true; U...
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Author: David Morel,
2012-11-30, 10:10
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Looking for a working mysql import sqoop command line - Hive - [mail # user]
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...Hi everyone, I must say I'm only starting, and this is on cdh3u3. I'm struggling with the sqoop options ATM, trying to import mysql tables to hive, containing tabs, newline...
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Author: David Morel,
2012-05-12, 21:19
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