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Re: full outer join result - Hive - [mail # user]
...well. i had some free time to search it.  from here:http://www.postgresql.org/docs/9.3/static/sql-select.html#SQL-UNION you'llsee the default is indeed UNION DISTINCT.  so changing...
   Author: Stephen Sprague, 2014-03-12, 20:38
Re: bucketed table problems - Hive - [mail # user]
...short answer: its by position. ...
   Author: Stephen Sprague, 2014-03-08, 01:38
Re: HIVE QUERY HELP:: HOW TO IMPLEMENT THIS CASE - Hive - [mail # user]
...ok. my conscience got the best of me. maybe for worse though. :)This to me is like giving you a rope and a stool and i don't think it'llend well.That said consider something like this:{code}...
   Author: Stephen Sprague, 2014-03-04, 17:38
Re: move hive tables from one cluster to another cluster - Hive - [mail # user]
...that advice is way over complicating something that is very easy. instead,please take this approach.1. run the ddl to create the table on the new cluster2. distcp the hdfs data into the appr...
   Author: Stephen Sprague, 2014-02-28, 21:54
Re: Hive + Flume - Hive - [mail # user]
...if you can configure flume to create temporary files that start with anunderscore (_) i believe hive will safely ignore them. otherwise you havewrite a script to move them out.On Fri, Feb 28...
   Author: Stephen Sprague, 2014-02-28, 19:35
Re: Metastore performance on HDFS-backed table with 15000+ partitions - Hive - [mail # user]
...yeah. That traceback pretty much spells it out - its metastore related andthat's where the partitions are stored.I'm with the others on this. HiveServer2 is still a little jankey on memoryma...
   Author: Stephen Sprague, 2014-02-22, 18:27
Re: Slow performance on queries with aggregation function - Hive - [mail # user]
...Hi Jone,um.  i can say for sure something is wrong. :)i would _start_ by going to the tasktracker. this is your friend.  findyour job and look for failed reducers.  That's the...
   Author: Stephen Sprague, 2014-02-22, 04:25
Re: Hive Query :: Implementing case statement - Hive - [mail # user]
...Hi Yogesh,i overlooked one thing and for completeness we should make note of it here.change:   select a.* from TABLE_SQL a join NEW_BALS b on (a.key=b.key) whereb.NEW_BALANCE is nu...
   Author: Stephen Sprague, 2014-02-20, 05:16
Re: Issue with Hive and table with lots of column - Hive - [mail # user]
...ok. thanks.so given everything we know the choices i see are:1. increase your heapsize some more. (And of course confirm your processthat your reported the -Xmx8192M is the HiveServer2 proce...
   Author: Stephen Sprague, 2014-02-19, 15:54
Re: Views and partitions and performance - Hive - [mail # user]
...great questions, Burak.  Personally, I had not before seen the "create view... partition on" construct. Not that that means anything but thanks forbringing bringing out into the forefro...
   Author: Stephen Sprague, 2014-02-11, 19:10
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