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Re: How Can I store the Hive query result in one file ? - Hive - [mail # user]
...Normally if use set mapred.reduce.tasks=1 you get one output file. You can also look at *hive*.*merge*.*mapfiles*, mapred.reduce.tasks, hive.merge.reducefiles also you can use a separate too...
   Author: Edward Capriolo, 2013-07-04, 16:10
Re: Experience of Hive local mode execution style - Hive - [mail # user]
...Since you are launching locally you have to account for this. 1) If multiple jobs are running they become a burden on the local memory of the system 2) Your local parameters like java heap s...
   Author: Edward Capriolo, 2013-07-04, 15:53
Re: call it Hive-SQL instead of HiveQL ? - Hive - [mail # dev]
...If you thing hive has "friends" named "DB2, Oracle, teradata, vertica, impala" you are wrong.  Besides the fact that some of them originally took the position that map reduce "was a big...
   Author: Edward Capriolo, 2013-07-03, 19:25
Re: Partition performance - Hive - [mail # user]
...1) each partition object is a row in the metastore usually mysql, querying large tables with many partitions has longer startup time as the hive query planner has to fetch and process all of...
   Author: Edward Capriolo, 2013-07-03, 14:22
Re: how to combine some rows into 1 row in hive - Hive - [mail # user]
...Using hives streaming feature is a nice option for this as it is a fairly natural way to work with entire rows and return multiple columns  select transform a,b,c,d  using /bin/pip...
   Author: Edward Capriolo, 2013-06-22, 23:48
Re: INSERT non-static data to array? - Hive - [mail # user]
...i think you could select into as sub query and then use lateral view.not exactly the same but something similar could be done,.  On Thursday, June 20, 2013, Michael Malak  wrote: p...
   Author: Edward Capriolo, 2013-06-21, 01:15
[HIVE-2852] hive.stats.autogather should default to false. - Hive - [issue]
...hive.stats.autogather is set to true. A majority of people are not using indexing or this feature, as a result INSERT OVERWRITE TABLE statements are creating derby stat_db directories in the...
http://issues.apache.org/jira/browse/HIVE-2852    Author: Edward Capriolo, 2013-06-18, 22:49
Re: Powershell script and Hive command dfs moveFromLocal dont' work ?? - Hive - [mail # user]
...When your processing gets this complicated hive-thrift is probably better then she'll scripting.  On Monday, June 17, 2013, Matouk IFTISSEN  wrote: other Hive  sript below (th...
   Author: Edward Capriolo, 2013-06-17, 14:04
Supporting an independent build farm - Hive - [mail # dev]
...Hive's unit test suite has gotten larger as we have added more features and thus it takes longer to run. For a single machine duel core with solid state disks I have to start a test run at n...
   Author: Edward Capriolo, 2013-06-16, 18:02
Re: Create table like with partitions - Hive - [mail # user]
...For reference, any that puts the entire book online like this is likely pirated.     On Tue, Jun 11, 2013 at 8:34 AM, Richa Sharma wrote:  ...
   Author: Edward Capriolo, 2013-06-11, 14:33
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