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RE: How to update and delete a row in hive - Hive - [mail # user]
...Hive does not support row-level (or field-level) updates. It is designed as  a WORM (write once read many) data warehouse.   You can of course code your own row updates by reading ...
   Author: Connell, Chuck, 2012-09-11, 13:13
[expand - 1 more] - RE: Handling arrays returned by json_tuple ?? - Hive - [mail # user]
...Something else... If json_tuple cannot select elements in an array, that me ans that JSON objects within an array are essentially "frozen" within their  array. So if I had  {"text1...
   Author: Connell, Chuck, 2012-09-08, 12:29
[expand - 2 more] - RE: How to load csv data into HIVE - Hive - [mail # user]
...I would like to hear more about this "hadoop streaming to Hive" idea. I hav e used streaming jobs as mappers, with a python script as map.py. Are you s aying that such a streaming mapper can...
   Author: Connell, Chuck, 2012-09-08, 12:18
[expand - 1 more] - RE: Hive directory permissions - Hive - [mail # user]
...I have no doubt that works, but surely a Hive user should not need sudo pri vileges!  I am also looking for best practices, since we have run into the  same.   From: Himanish ...
   Author: Connell, Chuck, 2012-08-16, 13:57
RE: mapper is slower than hive' mapper - Hive - [mail # user]
...This is actually not surprising. Hive is essentially a MapReduce compiler.  It is common for regular compilers (C, C#, Fortran) to emit faster assemble r code than you write yourself. C...
   Author: Connell, Chuck, 2012-08-01, 14:35
RE: Data Loaded but Select returns nothing! - Hive - [mail # user]
...An idea, in addition to what others have said...   You are starting with a  complex table schema. Start simpler, test it as you go, and then work up to  partitions and buckets...
   Author: Connell, Chuck, 2012-07-30, 13:04
[expand - 1 more] - RE: HIVE AND HBASE - Hive - [mail # user]
...See  https://ccp.cloudera.com/display/SUPPORT/Downloads    Cloudera Manager is a small piece of software that downloads, installs and  configures the Hadoop software suit...
   Author: Connell, Chuck, 2012-07-27, 23:13
RE: Performance Issues in Hive with S3 and Partitions - Hive - [mail # user]
...What about making your small files bigger, by ZIPping them together? Of cou rse, you have to think about this carefully, so MapReduce can efficiently r etrieve the files it needs without unz...
   Author: Connell, Chuck, 2012-07-27, 19:39
RE: Creating Hive table by pulling data from mainFrames - Hive - [mail # user]
...Can you export from DB2 to a plain text tab-separated file? You can certain ly import that to Hive.  Chuck Connell Nuance R&D Data Team Burlington, MA   From: Siddharth Tiwari [mai...
   Author: Connell, Chuck, 2012-07-26, 19:57
RE: Hive 0.9 and Indexing - Hive - [mail # user]
...I do not have answers to any of your questions, but I appreciate you raisin g them. My team is very interested in Hive indexing as well, so I look forw ard to this discussion.  Chuck Co...
   Author: Connell, Chuck, 2012-07-26, 14:52
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