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[HIVE-4698] ORC's file footer should include the encodings of the columns - Hive - [issue]
...To ensure that a reader won't get surprised by the column encodings in the stripes, it would be good to include the set of encodings for each column in the file footer....
http://issues.apache.org/jira/browse/HIVE-4698    Author: Owen O'Malley, 2013-06-10, 21:23
[HIVE-4634] Add hasNull flag to ORC index - Hive - [issue]
...It would help the predicate pushdown, if the index recorded whether each 10k rows had null values in that column....
http://issues.apache.org/jira/browse/HIVE-4634    Author: Owen O'Malley, 2013-06-04, 23:01
[HIVE-3889] Add floating point compression to ORC file - Hive - [issue]
...Karol Wegrzycki, a CS student at University of Warsaw, has implemented an FPC compressor for doubles. It would be great to hook this up to the ORC file format so that we can get better compr...
http://issues.apache.org/jira/browse/HIVE-3889    Author: Owen O'Malley, 2013-05-17, 17:41
[HIVE-4244] Make string dictionaries adaptive in ORC - Hive - [issue]
...The ORC writer should adaptively switch between dictionary and direct encoding. I'd propose looking at the first 100,000 values in each column and decide whether there is sufficient loading ...
http://issues.apache.org/jira/browse/HIVE-4244    Author: Owen O'Malley, 2013-05-17, 17:41
[HIVE-3874] Create a new Optimized Row Columnar file format for Hive - Hive - [issue]
...There are several limitations of the current RC File format that I'd like to address by creating a new format: each column value is stored as a binary blob, which means: the entire column ...
http://issues.apache.org/jira/browse/HIVE-3874    Author: Owen O'Malley, 2013-05-16, 22:11
[HIVE-4556] Fix tar target's permissions for the src/testutils/hadoop script - Hive - [issue]
...Currently the "tar" target uses 644 permissions for everything in the src directory including the src/testutils/hadoop script. The hadoop script needs to have 755 for the tests to run correc...
http://issues.apache.org/jira/browse/HIVE-4556    Author: Owen O'Malley, 2013-05-14, 19:32
[HIVE-4494] ORC map columns get class cast exception in some context - Hive - [issue]
...Setting up the test case like:create table map_text (  name string,  m map<string,string>) row format delimited    fields terminated by '|'    collection ...
http://issues.apache.org/jira/browse/HIVE-4494    Author: Owen O'Malley, 2013-05-09, 22:15
[HIVE-4421] Improve memory usage by ORC dictionaries - Hive - [issue]
...Currently, for tables with many string columns, it is possible to significantly underestimate the memory used by the ORC dictionaries and cause the query to run out of memory in the task....
http://issues.apache.org/jira/browse/HIVE-4421    Author: Owen O'Malley, 2013-05-09, 03:10
[HIVE-4507] Fix jdbc to compile under openjdk 7 - Hive - [issue]
...The newer Linux distros are shipping with just openjdk 7. Currently, the jdbc module doesn't compile because some new methods aren't implemented....
http://issues.apache.org/jira/browse/HIVE-4507    Author: Owen O'Malley, 2013-05-06, 19:11
[HIVE-4464] Hive's JDBC module doesn't compile under openjdk 7 - Hive - [issue]
...Hive currently fails to compile when compiled with openjdk 7....
http://issues.apache.org/jira/browse/HIVE-4464    Author: Owen O'Malley, 2013-05-01, 03:30
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB