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[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-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-3678] Add metastore upgrade scripts for column stats schema changes
...Add upgrade script for column statistics schema changes for Postgres/MySQL/Oracle/Derby...
, 2012-11-28, 13:02
[HIVE-3712] Use varbinary instead of longvarbinary to store min and max column values in column stats schema
...JDBC type longvarbinary maps to BLOB SQL type in some databases. Storing min and max column values for numeric types takes up 8 bytes and hence doesn't require a BLOB. Storing these values i...
, 2012-11-28, 02:43
[HIVE-3686] Fix compile errors introduced by the interaction of HIVE-1362 and HIVE-3524
...HIVE-3524 changed the signature of endFunction in HiveMetastore.java and was committed some hours before HIVE-1362. The change in signature broke the build after HIVE-1362 which still contai...
, 2012-11-08, 03:58
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