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[HIVE-4098] OrcInputFormat assumes Hive always calls createValue - Hive - [issue]
...Hive's HiveContextAwareRecordReader doesn't create a new value for each InputFormat and instead reuses the same row between input formats. That causes the first record of second (and third, ...
http://issues.apache.org/jira/browse/HIVE-4098    Author: Owen O'Malley, 2013-04-05, 00:40
[HIVE-4097] ORC file doesn't properly interpret empty hive.io.file.readcolumn.ids - Hive - [issue]
...Hive assumes that an empty string in hive.io.file.readcolumn.ids means all columns. The ORC reader currently assumes it means no columns....
http://issues.apache.org/jira/browse/HIVE-4097    Author: Owen O'Malley, 2013-04-05, 00:39
[HIVE-4156] need to add protobuf classes to hive-exec.jar - Hive - [issue]
...In some queries, the tasks fail when they can't find classes from the protobuf library....
http://issues.apache.org/jira/browse/HIVE-4156    Author: Owen O'Malley, 2013-04-04, 07:57
[HIVE-4138] ORC's union object inspector returns a type name that isn't parseable by TypeInfoUtils - Hive - [issue]
...Currently the typename returned by ORC's union object inspector isn't parseable by TypeInfoUtils. The format needs to be union<type1,type2,type3>....
http://issues.apache.org/jira/browse/HIVE-4138    Author: Owen O'Malley, 2013-04-04, 07:57
[HIVE-4000] Hive client goes into infinite loop at 100% cpu - Hive - [issue]
...The Hive client starts multiple threads to track the progress of the MapReduce jobs. Unfortunately those threads access several static HashMaps that are not protected by locks. When the Hash...
http://issues.apache.org/jira/browse/HIVE-4000    Author: Owen O'Malley, 2013-04-02, 02:40
[HIVE-4250] Closing lots of RecordWriters is slow - Hive - [issue]
...In FileSinkOperator, all of the RecordWriters are closed sequentially. For queries with a lot of dynamic partitions this can add substantially to the task time. For one query in particular, ...
http://issues.apache.org/jira/browse/HIVE-4250    Author: Owen O'Malley, 2013-03-29, 15:39
[expand - 1 more] - Re: Optimizing hive queries - Hive - [mail # user]
...On Thu, Mar 28, 2013 at 11:08 PM, Jagat Singh  wrote:   ORC files like Avro files are self-describing. They include the type structure of the records in the metadata of the file. I...
   Author: Owen O'Malley, 2013-03-29, 06:54
[HIVE-4121] ORC should have optional dictionaries for both strings and numeric types - Hive - [issue]
...Currently string columns always have dictionaries and numerics are always directly encoded. It would be better to make the encoding depend on a sample of the data. Perhaps the first 100k val...
http://issues.apache.org/jira/browse/HIVE-4121    Author: Owen O'Malley, 2013-03-28, 15:47
[HIVE-2162] Upgrade dependencies to Hadoop 0.20.2 and - Hive - [issue]
...Hadoop has released and we should upgrade Hive's dependency to it....
http://issues.apache.org/jira/browse/HIVE-2162    Author: Owen O'Malley, 2013-03-28, 15:35
[HIVE-4229] Create a hive-ql jar that doesn't include non-hive jars - Hive - [issue]
...We currently only ship the ql module as part of the hive-exec jar that includes other projects (thrift, avro, protobuf, commons lang, json, java-ewah, and javolution). This forces downstream...
http://issues.apache.org/jira/browse/HIVE-4229    Author: Owen O'Malley, 2013-03-26, 18:23
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