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[HIVE-3958] support partial scan for analyze command - RCFile - Hive - [issue]
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...analyze commands allows us to collect statistics on existing tables/partitions. It works great but might be slow since it scans all files.There are 2 ways to speed it up:1. collect stats wit...
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http://issues.apache.org/jira/browse/HIVE-3958
Author: Gang Tim Liu,
2013-03-27, 14:43
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[HIVE-3954] flag indecating statistics is stale - Hive - [issue]
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...We will introduce a flag to indicate whether statistics is stale....
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http://issues.apache.org/jira/browse/HIVE-3954
Author: Gang Tim Liu,
2013-03-01, 00:37
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[HIVE-4056] Extend rcfilecat to support (un)compressed size and no. of row - Hive - [issue]
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...rcfilecat supports data and metadata:https://cwiki.apache.org/Hive/rcfilecat.htmlIn metadata, it supports column statistics.It will be natural to extend metadata support to 1. no. of rows 2....
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http://issues.apache.org/jira/browse/HIVE-4056
Author: Gang Tim Liu,
2013-02-28, 17:12
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Re: [ANNOUNCE] New Hive Committer - Gang Tim Liu - Hive - [mail # dev]
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...Dear all, Thank Hive PMC for passing the vote. Truly thank and appreciate it! Thank all for warm notes: Namit, Navis, Kevin, Alexander, Brock, Jarek, Mark and Zhenxiao etc ...
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Author: Gang Tim Liu,
2013-02-25, 20:05
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[HIVE-4027] Thrift alter_table api doesnt validate column type - Hive - [issue]
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...Thrift alter_table api doesnt validate column type so that invalid column type can sneak it....
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http://issues.apache.org/jira/browse/HIVE-4027
Author: Gang Tim Liu,
2013-02-20, 23:45
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[HIVE-3917] Support noscan operation for analyze command - Hive - [issue]
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...hive supports analyze command to gather statistics from existing tables/partition https://cwiki.apache.org/confluence/display/Hive/StatsDev#StatsDev-ExistingTablesIt collects:1. Number of Ro...
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http://issues.apache.org/jira/browse/HIVE-3917
Author: Gang Tim Liu,
2013-02-04, 07:20
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[HIVE-3949] Some test failures in hadoop 23 - Hive - [issue]
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...This is follow up on hive-3873.We have fixed some test failures in 3873 and a few other jira issues.We will use this jira to track the rest failures: https://builds.apache.org/job/Hive-trunk...
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http://issues.apache.org/jira/browse/HIVE-3949
Author: Gang Tim Liu,
2013-02-03, 22:25
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[HIVE-3965] Reduce output of explain plan by printing boolean value only if it is true - Hive - [issue]
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...Leverage the design in HIVE-3778 to reduce output of explain plan by printing boolean value only if it is true.That probably will update lot more .q.out files so probably should be done in a...
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http://issues.apache.org/jira/browse/HIVE-3965
Author: Gang Tim Liu,
2013-01-31, 04:00
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StatsDev - Apache Hive - Apache Software Foundation - Hive - [wiki]
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... Comment: Go to start of metadata &nb...
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https://cwiki.apache.org/confluence/display/Hive/StatsDev
Author: Gang Tim Liu,
2013-01-28, 00:00
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[HIVE-3943] Skewed query fails if hdfs path has special characters - Hive - [issue]
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...If partition name has special character like :, query will fail like:FAILED: IllegalArgumentException Pathname /... from ... is not a valid DFS filename.rootcause is skewed map in partition ...
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http://issues.apache.org/jira/browse/HIVE-3943
Author: Gang Tim Liu,
2013-01-26, 15:36
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