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[HIVE-4669] Make username available to semantic analyzer hooks
...Make username available to the semantic analyzer hooks....
, 2013-10-06, 01:08
[HIVE-5330] Pass query text and IPAddress to SemanticAnalyzerHooks
...Today, semantic analyzer hooks don't have IPAddress of the client and query text available. Adding these additional pieces of information to the semantic analyzer hook will make auditing use...
, 2013-09-20, 21:54
[HIVE-4435] Column stats: Distinct value estimator should use hash functions that are pairwise independent
...The current implementation of Flajolet-Martin estimator to estimate the number of distinct values doesn't use hash functions that are pairwise independent. This is problematic because the in...
, 2013-06-07, 07:25
[HIVE-4657] HCatalog checkstyle violation after HIVE-2670
...After HIVE-2670 was committed, I see the following error,checkstyle: [echo] hcatalog[checkstyle] Running Checkstyle 5.5 on 416 files[checkstyle] /Users/vshree/work/reposit...
, 2013-06-06, 23:14
[HIVE-4628] HS2 sessionmanager should synchronize the call to insert/remove session objects from session hash map
...HS2 SessionManager maintains a hashmap of active HS2 sessions. However, insert and deletes to this hashmap is not synchronized. A consequence of this is a racing thread could overwrite a val...
, 2013-05-30, 18:30
[HIVE-3720] Expand and standardize authorization in Hive
...The existing implementation of authorization in Hive is not complete. Additionally the existing implementation has security holes. This JIRA is an umbrella JIRA for a) extending author...
, 2013-05-18, 05:53
[HIVE-4153] Use number of distinct values to decide whether to perform map side aggregation
...Today, Hive decides to perform a map side aggregation by default. If the number of unique keys in the aggregation is small, performing a map side aggregation is beneficial. However, if the n...
, 2013-03-12, 06:28
[HIVE-3886] WARNING: org.apache.hadoop.metrics.jvm.EventCounter is deprecated
...WARNING: org.apache.hadoop.metrics.jvm.EventCounter is deprecated. Please use org.apache.hadoop.log.metrics.EventCounter in all the log4j.properties files....
, 2013-02-27, 09:04
[HIVE-3877] Implement equi-depth histograms as a UDAF
...Implement a space and time efficient algorithm to bin numeric column data such that all bins approximately contain the same number of elements. Implement such an algorithm as a generic UDAF....
, 2013-01-21, 18:11
[HIVE-3881] Extend the analyze table syntax to allow the user to request computing histogram
...Since computing histograms can be expensive, by default only scalar statistics on columns will be gathered when an analyze table .. compute statistics for columns ... is executed. This JIRA ...
, 2013-01-09, 22:56
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