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[expand - 1 more] - Re: Whatever happened to the MACRO facility, Hive-2655 - Hive - [mail # user]
...Great! It would be nice to have.  dean  On Sat, Jan 26, 2013 at 10:30 AM, Edward Capriolo wrote:    *Dean Wampler, Ph.D.* thinkbiganalytics.com +1-312-339-1330...
   Author: Dean Wampler, 2013-01-26, 19:00
Re: querying objects and list fields - Hive - [mail # user]
...Use size instead of count.  Count is for counting rows, while size is for determining the size of a collection.  For the second question, I think you'll need to call explode on the...
   Author: Dean Wampler, 2013-01-25, 13:45
Re: Real-life experience of forcing smaller input splits? - Hive - [mail # user]
......  You can still use compression if you use a splittable format, like bzip2 with block compression. Gzip isn't splittable.  If you're running out of memory, you could also increa...
   Author: Dean Wampler, 2013-01-25, 13:39
Re: Loading a Hive table simultaneously from 2 different sources - Hive - [mail # user]
...You'll face all the usual concurrency synchronization risks if you're updating the same "place" concurrently. One thing to keep in mind; it's all just HDFS under the hood. That pretty much t...
   Author: Dean Wampler, 2013-01-24, 16:03
[expand - 1 more] - Re: serde jar causing problems in loading other jars. - Hive - [mail # user]
...I see from your listing that your jar contains the contents of many, if not all, of the Apache and logging jars that are also in the hadoop/lib and hive/lib directories, including the core h...
   Author: Dean Wampler, 2013-01-23, 18:10
[HIVE-3929] wiki documentation for partition filtering and outer joins doesn't match behavior - Hive - [issue]
...The wiki discussion of OUTER JOINs correctly describes the behavior of WHERE clauses with regards to partition filters. Namely, that they don't work as expected, because the WHERE clause is ...
http://issues.apache.org/jira/browse/HIVE-3929    Author: Dean Wampler, 2013-01-23, 15:06
Re: Problem with using Postgres as hive meta store DB. - Hive - [mail # user]
...Are you able to use Hive v0.8.1 and v0.9.0 interchangeably? Since the metadata schema changed between versions, I wouldn't expect 0.8.1 to work if you're schema is set up for 0.9.0.  de...
   Author: Dean Wampler, 2013-01-23, 14:00
Re: Missing tables! - Hive - [mail # user]
...Are you using Derby? Did you change directories? By default, Derby drops the metastore_db in the current directory, but you can specify an absolute path for it in the hive-site.xml config fi...
   Author: Dean Wampler, 2013-01-22, 13:56
I'm teaching courses on Hive in the Bay Area this month - Hive - [mail # user]
...I won't announce this again on this list, but permit me to mention that we at Think Big Analytics are now offering two, 1-day public courses on Hive, an introduction course and a "Hive Maste...
   Author: Dean Wampler, 2013-01-18, 18:22
[expand - 2 more] - Re: HWI use on AWS/EMR - Hive - [mail # user]
...Yes, this is straightforward to set up in Putty.  Ariel, thanks for providing the details I was too lazy to mention ;)  One flaw with this approach is that only your machine will h...
   Author: Dean Wampler, 2013-01-18, 16:38
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