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[HIVE-7926] long-lived daemons for query fragment execution, I/O and caching - Hive - [issue]
...We are proposing a new execution model for Hive that is a combination of existing process-based tasks and long-lived daemons running on worker nodes. These nodes can take care of efficient I...
http://issues.apache.org/jira/browse/HIVE-7926    Author: Sergey Shelukhin, 2014-09-02, 04:15
[HIVE-7696] small changes to mapjoin hashtable - Hive - [issue]
...Parts of HIVE-7617 patch that are not related to the core issue, based on some profiling by Mostafa Mokhtar...
http://issues.apache.org/jira/browse/HIVE-7696    Author: Sergey Shelukhin, 2014-08-19, 00:18
[HIVE-7617] optimize bytes mapjoin hash table read path wrt serialization, at least for common cases - Hive - [issue]
...BytesBytes has table stores keys in the byte array for compact representation, however that means that the straightforward implementation of lookups serializes lookup keys to byte arrays, wh...
http://issues.apache.org/jira/browse/HIVE-7617    Author: Sergey Shelukhin, 2014-08-18, 19:50
[HIVE-7705] there's a useless threadlocal in LBUtils that shows up in perf profiles - Hive - [issue]
...It might be cheaper to just create a VInt every time, but it can also be passed in externally....
http://issues.apache.org/jira/browse/HIVE-7705    Author: Sergey Shelukhin, 2014-08-18, 18:32
[expand - 1 more] - Re: Review Request 24498: A method to extrapolate the missing column status for the partitions. - Hive - [mail # dev]
...See many other queries where "?"s are used w/parameters array (in the same file)- SergeyThis is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/24498/#review5...
   Author: Sergey Shelukhin, 2014-08-18, 18:12
[HIVE-7737] Hive logs full exception for table not found - Hive - [issue]
...Table not found is generally user error, the call stack is annoying and unnecessary....
http://issues.apache.org/jira/browse/HIVE-7737    Author: Sergey Shelukhin, 2014-08-15, 23:39
HiveQA fails due to some spark qfiles issue - Hive - [mail # dev]
...For several of my patches, HiveQA failed with: "Tests exited with:IllegalArgumentException: No propertifies found in file: mainProperties forproperty: spark.query.files"I tried for some time...
   Author: Sergey Shelukhin, 2014-08-15, 18:14
[expand - 4 more] - Re: Review Request 24587: HIVE-7617 optimize bytes mapjoin hash table read path wrt serialization, at least for common cases - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/24587/(Updated Aug. 14, 2014, 11:41 p.m.)Review request for hive and Gopal V.Bugs: HIVE-7617 &nbs...
   Author: Sergey Shelukhin, 2014-08-14, 23:41
[expand - 1 more] - Re: Review Request 24617: HIVE-7696 small changes to mapjoin hashtable - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/24617/(Updated Aug. 14, 2014, 10:57 p.m.)Review request for hive, Gopal V and Mostafa Mokhtar.Bugs: HI...
   Author: Sergey Shelukhin, 2014-08-14, 22:57
[HIVE-7532] allow disabling direct sql per query with external metastore - Hive - [issue]
...Currently with external metastore, direct sql can only be disabled via metastore config globally. Perhaps it makes sense to have the ability to propagate the setting per query from client to...
http://issues.apache.org/jira/browse/HIVE-7532    Author: Sergey Shelukhin, 2014-08-13, 07:42
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