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[HIVE-6430] MapJoin hash table has large memory overhead - Hive - [issue]
...Right now, in some queries, I see that storing e.g. 4 ints (2 for key and 2 for row) can take several hundred bytes, which is ridiculous. I am reducing the size of MJKey and MJRowContainer i...
http://issues.apache.org/jira/browse/HIVE-6430    Author: Sergey Shelukhin, 2014-04-24, 04:33
[HIVE-6961] Drop partitions treats partition columns as strings - Hive - [issue]
...Discovered just now while testing HIVE-6945...
http://issues.apache.org/jira/browse/HIVE-6961    Author: Sergey Shelukhin, 2014-04-24, 03:38
[HIVE-6945] issues with dropping partitions on Oracle - Hive - [issue]
...1) Direct SQL is broken on Oracle due to the usage of NUMBER type which is translated by DN into decimal rather than long. This appears to be specific to some cases because it seemed to have...
http://issues.apache.org/jira/browse/HIVE-6945    Author: Sergey Shelukhin, 2014-04-24, 03:26
[HIVE-6924] MapJoinKeyBytes::hashCode() should use Murmur hash - Hive - [issue]
...Existing hashCode is bad, causes HashMap to cluster...
http://issues.apache.org/jira/browse/HIVE-6924    Author: Sergey Shelukhin, 2014-04-23, 03:07
Re: Review Request 20565: HIVE-6945 issues with dropping partitions on Oracle - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/20565/(Updated April 23, 2014, 2:37 a.m.)Review request for hive, Ashutosh Chauhan and Thejas Nair.Rep...
   Author: Sergey Shelukhin, 2014-04-23, 02:37
[HIVE-5376] Hive does not honor type for partition columns when altering column type - Hive - [issue]
...Followup for HIVE-5297. If partition column of type string is changed to int, the data is not verified. The values for partition columns are all in metastore db, so it's easy to check and fa...
http://issues.apache.org/jira/browse/HIVE-5376    Author: Sergey Shelukhin, 2014-04-22, 20:10
datanucleus identity factory and sql scripts - Hive - [mail # dev]
...Hi.I've noticed that Hive, and all the sql scripts, rely on datanucleus1 DNidentity factory (seehttp://www.datanucleus.org/products/datanucleus/jdo/orm/datastore_identifiers.html)rather than...
   Author: Sergey Shelukhin, 2014-04-18, 22:52
Re: Review Request 18936: HIVE-6430 MapJoin hash table has large memory overhead - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/18936/(Updated April 18, 2014, 1 a.m.)Review request for hive, Gopal V and Gunther Hagleitner.ChangesA...
   Author: Sergey Shelukhin, 2014-04-18, 01:01
[HIVE-6888] Hive leaks MapWork objects via Utilities::gWorkMap - Hive - [issue]
...When running multiple queries with hive on a single Application Master, we found that hive leaks a large number of MapWork objects which accumulate in the AM...
http://issues.apache.org/jira/browse/HIVE-6888    Author: Sergey Shelukhin, 2014-04-15, 00:51
Re: [ANNOUNCE] New Hive Committers - Alan Gates, Daniel Dai, and Sushanth Sowmyan - Hive - [mail # dev]
...Congrats!On Mon, Apr 14, 2014 at 10:55 AM, Prasanth Jayachandran <[EMAIL PROTECTED]> wrote:CONFIDENTIALITY NOTICENOTICE: This message is intended for the use of the individual or entit...
   Author: Sergey Shelukhin, 2014-04-14, 18:03
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