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[HIVE-4727] Optimize ORC StringTreeReader::nextVector to not create dictionary of strings for each call to nextVector - Hive - [issue]
...Currently ORC StringTreeReader::nextVector creates dictionary of strings for each call to nextVector. This leads to bad perf as there is huge memory allocation and deallocation on each call....
http://issues.apache.org/jira/browse/HIVE-4727    Author: Sarvesh Sakalanaga , 2013-10-23, 21:59
[HIVE-4846] Implement Vectorized Limit Operator - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-4846    Author: Sarvesh Sakalanaga , 2013-10-11, 13:18
[HIVE-4656] Implement vectorized text reader to read vectorized data from Text file - Hive - [issue]
...Input format and vectorized serde implementation for Text file....
http://issues.apache.org/jira/browse/HIVE-4656    Author: Sarvesh Sakalanaga , 2013-06-04, 21:54
Review Request: Implement vectorized text reader to read vectorized data from Text file - Hive - [mail # dev]
...----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/11636/ ----------------------------------...
   Author: Sarvesh Sakalanaga , 2013-06-04, 21:52
[HIVE-4600] Vectorized reader support for timestamp in ORC. - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-4600    Author: Sarvesh Sakalanaga , 2013-05-30, 00:24
Review Request: Vectorized reader support for Byte Boolean and Timestamp. - Hive - [mail # dev]
...----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/11350/ ----------------------------------...
   Author: Sarvesh Sakalanaga , 2013-05-30, 00:18
Review Request: Vectorized reader support for Byte and Boolean. - Hive - [mail # dev]
...----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/11350/ ----------------------------------...
   Author: Sarvesh Sakalanaga , 2013-05-23, 19:47
Review Request: Input format to read vector data from RC file - Hive - [mail # dev]
...----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/11059/ ----------------------------------...
   Author: Sarvesh Sakalanaga , 2013-05-10, 21:13
[expand - 5 more] - Review Request: Change ORC tree readers to return batches of rows instead of a row - Hive - [mail # dev]
...----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/10712/ ----------------------------------...
   Author: Sarvesh Sakalanaga , 2013-04-25, 01:00