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[HIVE-3393] get_json_object and json_tuple should use Jackson library - Hive - [issue]
...The Jackson library's JSON parsers have been shown to be significantly faster that json.org's.  The library is already included, so I can't think of a reason not to use it.There's also ...
http://issues.apache.org/jira/browse/HIVE-3393    Author: Kevin Wilfong, 2013-05-15, 09:22
[HIVE-2901] Hive union with NULL constant and string in same column returns all null - Hive - [issue]
...select x from (select value as x from src union all select NULL as x from src)a;This query produces all nulls, where value is a string column.Notably, select x from (select key as x from src...
http://issues.apache.org/jira/browse/HIVE-2901    Author: Kevin Wilfong, 2013-05-14, 09:07
[HIVE-3467] BucketMapJoinOptimizer should optimize joins on partition columns - Hive - [issue]
...Consider the query:SELECT * FROM t1 JOIN t2 on t1.part = t2.part and t1.key = t2.key;Where t1 and t2 are partitioned by part and bucketed by key.Suppose part take values 1 and 2 and t1 and t...
http://issues.apache.org/jira/browse/HIVE-3467    Author: Kevin Wilfong, 2013-05-06, 19:17
[HIVE-4005] Column truncation - Hive - [issue]
...Column truncation allows users to remove data for columns that are no longer useful.This is done by removing the data for the column and setting the length of the column data and related len...
http://issues.apache.org/jira/browse/HIVE-4005    Author: Kevin Wilfong, 2013-04-26, 15:06
[HIVE-4189] ORC fails with String column that ends in lots of nulls - Hive - [issue]
...When ORC attempts to write out a string column that ends in enough nulls to span an index stride, StringTreeWriter's writeStripe method will get an exception from TreeWriter's writeStripe me...
http://issues.apache.org/jira/browse/HIVE-4189    Author: Kevin Wilfong, 2013-04-21, 10:24
[HIVE-4336] Selecting from a view, and another view that also selects from that view fails - Hive - [issue]
...E.g. the following query fails with an NPECREATE VIEW test_view1 AS SELECT * FROM src;CREATE VIEW test_view2 AS SELECT * FROM test_view1;SELECT COUNT FROM test_view1 a JOIN test_view2 b ON a...
http://issues.apache.org/jira/browse/HIVE-4336    Author: Kevin Wilfong, 2013-04-12, 00:29
[HIVE-2666] StackOverflowError when using custom UDF in map join - Hive - [issue]
...When a custom UDF is used as part of a join which is converted to a map join, the XMLEncoder enters an infinite loop when serializing the map reduce task for the second time, as part of send...
http://issues.apache.org/jira/browse/HIVE-2666    Author: Kevin Wilfong, 2013-04-10, 04:43
[HIVE-2706] StackOverflowError when using custom UDF after adding archive after adding jars - Hive - [issue]
...When a custom UDF is used in a query after add an archive, such as a zip file, after adding jars, the XMLEncoder enters an infinite loop when serializing the map reduce task, as part of send...
http://issues.apache.org/jira/browse/HIVE-2706    Author: Kevin Wilfong, 2013-04-10, 04:43
[HIVE-4090] Use of hive.exec.script.allow.partial.consumption can produce partial results - Hive - [issue]
...When users execute use a transform script with the config hive.exec.script.allow.partial.consumption set to true, it may produce partial results.When this config is set the script may close ...
http://issues.apache.org/jira/browse/HIVE-4090    Author: Kevin Wilfong, 2013-04-05, 00:39
[HIVE-4155] Expose ORC's FileDump as a service - Hive - [issue]
...Expose ORC's FileDump class as a service similar to RC File Cate.g.hive --orcfiledump <path_to_file>Should run FileDump on the file....
http://issues.apache.org/jira/browse/HIVE-4155    Author: Kevin Wilfong, 2013-03-29, 19:46
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NEW: Monitor These Apps!
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