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[HIVE-2047] refactor PartitionPrunner's prune method - Hive - [issue]
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http://issues.apache.org/jira/browse/HIVE-2047
Author: He Yongqiang,
2011-03-11, 20:02
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[HIVE-1967] MapOperator no need to init object inspector for all input files. - Hive - [issue]
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...This could help the performance a lot if the query is very big....
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http://issues.apache.org/jira/browse/HIVE-1967
Author: He Yongqiang,
2011-02-07, 19:42
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[HIVE-1838] Add quickLZ compression codec for Hive. - Hive - [issue]
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http://issues.apache.org/jira/browse/HIVE-1838
Author: He Yongqiang,
2010-12-09, 18:35
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[HIVE-1700] Optimiza JDBM to make mapjoin faster - Hive - [issue]
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...copied from email:From: Joydeep Sen SarmaSent: Tuesday, October 12, 2010 11:11 AMTo: Yongqiang He; Liyin Tang; Namit JainSubject: RE: Optimize jdbmseems like we should move all deserializati...
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http://issues.apache.org/jira/browse/HIVE-1700
Author: He Yongqiang,
2010-12-01, 22:19
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[HIVE-678] Add support for building index table - Hive - [issue]
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http://issues.apache.org/jira/browse/HIVE-678
Author: He Yongqiang,
2010-10-29, 22:59
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[HIVE-1677] revert changes made by HIVE-558 - Hive - [issue]
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...There is another jira (https://issues.apache.org/jira/browse/HIVE-1658) going on to do a better fix for HIVE-558.If HIVE-1658 can not be patched in a timely fashion, we can first revert HIVE...
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http://issues.apache.org/jira/browse/HIVE-1677
Author: He Yongqiang,
2010-10-01, 04:42
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[HIVE-1582] merge mapfiles task behaves incorrectly for 'inserting overwrite directory...' - Hive - [issue]
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...hive> > > > SET hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat;hive> ...
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http://issues.apache.org/jira/browse/HIVE-1582
Author: He Yongqiang,
2010-09-27, 16:55
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[HIVE-1515] archive is not working when multiple partitions inside one table are archived. - Hive - [issue]
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...set hive.exec.compress.output = true;set hive.input.format=org.apache.hadoop.hive.ql.io.CombineHiveInputFormat;set mapred.min.split.size=256;set mapred.min.split.size.per.node=256;set mapred...
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http://issues.apache.org/jira/browse/HIVE-1515
Author: He Yongqiang,
2010-08-13, 01:10
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[HIVE-1506] Optimize number of mr jobs produced by group by sort by - Hive - [issue]
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...Right now,select key, INPUT_FILENAME, count(value from src group by key, INPUTFILE_NAME sort by keyrequire 2 jobsandselect key, INPUT_FILENAME, count(value from src group by key, INPUTFILE_N...
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http://issues.apache.org/jira/browse/HIVE-1506
Author: He Yongqiang,
2010-08-02, 18:47
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[HIVE-1058] Mapjoin operator need to clean up rowcainters used in HashMapWrapper - Hive - [issue]
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...Right now rowcainter use tmp file as backup storage. So the user need to invoke clear() of RowContainer to delete tmp files....
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http://issues.apache.org/jira/browse/HIVE-1058
Author: He Yongqiang,
2010-06-16, 02:00
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