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[HIVE-396] Hive performance benchmarks - Hive - [issue]
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...We need some performance benchmark to measure and track the performance improvements of Hive.Some references:PIG performance benchmarks PIG-200PigMix: http://wiki.apache.org/pig/PigMix...
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http://issues.apache.org/jira/browse/HIVE-396
Author: Zheng Shao,
2013-04-24, 17:01
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[HIVE-401] Reduce the ant test time to under 15 minutes - Hive - [issue]
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..."ant test" is taking too long. This is a big overhead for development since we need to do context switching all the time.We should bring the time back to under 15 minutes....
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http://issues.apache.org/jira/browse/HIVE-401
Author: Zheng Shao,
2012-12-28, 05:07
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[HIVE-1133] Refactor InputFormat and OutputFormat for Hive - Hive - [issue]
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...Currently we ran into several problems of the FileInputFormat/OutputFormat in Hive.The requirements are:R1. We want to support HBase: HIVE-806R2. We want to selectively include files based o...
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http://issues.apache.org/jira/browse/HIVE-1133
Author: Zheng Shao,
2012-11-02, 18:15
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[HIVE-306] Support "INSERT [INTO] destination" - Hive - [issue]
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...Currently hive only supports "INSERT OVERWRITE destination". We should support "INSERT [INTO] destination"....
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http://issues.apache.org/jira/browse/HIVE-306
Author: Zheng Shao,
2012-10-23, 02:29
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[HIVE-775] Hive to support "Set" type - Hive - [issue]
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...Thrift supports a type "set" which maps to "java.util.Set". Hive should support this as well.We can either add "set" to "array", "struct", "map", or we can just treat "set" as an "array" whi...
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http://issues.apache.org/jira/browse/HIVE-775
Author: Zheng Shao,
2012-10-09, 19:34
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[HIVE-345] Extend Date UDFs to support time zone and full specs as in MySQL - Hive - [issue]
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...Most of the Date UDF in Hive now are based on String instead of Date objects, and they have limited functionality compared with MySQL.http://dev.mysql.com/doc/refman/5.1/en/date-and-time-fun...
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http://issues.apache.org/jira/browse/HIVE-345
Author: Zheng Shao,
2012-10-08, 05:23
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[HIVE-757] Don't send constants from mapper to reducer for Group By queries - Hive - [issue]
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...If an aggregation function takes a constant expression, we are still sending it from mapper to reducer, but it's not necessary since we can compute the constants on the reducer side.This wil...
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http://issues.apache.org/jira/browse/HIVE-757
Author: Zheng Shao,
2012-09-28, 01:47
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[HIVE-365] Create Table to support multiple levels of delimiters - Hive - [issue]
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...From HIVE-337, the SerDe layer now supports multiple-levels of delimiters, for the purpose of supporting nested map/array/struct.Array(the same as List) and struct consume a single level of ...
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http://issues.apache.org/jira/browse/HIVE-365
Author: Zheng Shao,
2012-07-10, 16:50
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[HIVE-917] Bucketed Map Join - Hive - [issue]
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...Hive already have support for map-join. Map-join treats the big table as job input, and in each mapper, it loads all data from a small table.In case the big table is already bucketed on the ...
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http://issues.apache.org/jira/browse/HIVE-917
Author: Zheng Shao,
2012-06-21, 21:52
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[HIVE-268] "Insert Overwrite Directory" to accept configurable table row format - Hive - [issue]
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...There is no way for the users to control the file format when they are outputting the result into a directory.We should allow:INSERT OVERWRITE DIRECTORY "/user/zshao/result"ROW FORMAT DELIMI...
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http://issues.apache.org/jira/browse/HIVE-268
Author: Zheng Shao,
2012-04-27, 08:38
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