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[HIVE-7744] In Windowing Streaming mode Avg and Sum give incorrect results when Wdw size is same as partition size - Hive - [issue]
...For e.g. following query:select p_retailprice, avg(p_retailprice) over (partition by p_mfgr order by p_name rows between current row and 6 following), sum(p_retailprice) over (partition by p...
http://issues.apache.org/jira/browse/HIVE-7744    Author: Harish Butani, 2014-08-17, 19:02
[HIVE-7670] CBO: predicates on partition columns get applied twice in cardinality estimates. - Hive - [issue]
...this causes an underestimation of Part table row counts....
http://issues.apache.org/jira/browse/HIVE-7670    Author: Harish Butani, 2014-08-09, 02:29
[HIVE-7662] CBO: changes to Cost Model - Hive - [issue]
...Model Join cost as Sum of Input sizes Fix bug with NDV calculations. For now use Optiq's default formulas. Model Cummulative cost to favor broad Plans over Deep Plans....
http://issues.apache.org/jira/browse/HIVE-7662    Author: Harish Butani, 2014-08-08, 22:45
[HIVE-7628] CBO: log Plan coming out of each phase in Optiq Planning - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-7628    Author: Harish Butani, 2014-08-06, 07:47
[HIVE-7625] CBO: stats for Partitioned tables are not read correctly. - Hive - [issue]
...The wrong call is being made to read stats for Partitioned tables....
http://issues.apache.org/jira/browse/HIVE-7625    Author: Harish Butani, 2014-08-06, 07:45
[HIVE-7478] CBO: PPD push conditions to Join Operators - Hive - [issue]
...This was turned off in HivePushFilterPastJoin because non equality conditions were being pushed. Fix this so that equality predicates are pushed as join conditions....
http://issues.apache.org/jira/browse/HIVE-7478    Author: Harish Butani, 2014-07-23, 03:08
[HIVE-7284] CBO: create Partition Pruning rules in Optiq - Hive - [issue]
...NO PRECOMMIT TESTSCreate rules in Optiq that do the job of the PartitionPruner.For now we will reuse the logic that evaluates the Partition list from prunedExpr....
http://issues.apache.org/jira/browse/HIVE-7284    Author: Harish Butani, 2014-07-18, 03:08
[HIVE-6013] Supporting Quoted Identifiers in Column Names - Hive - [issue]
...Hive's current behavior on Quoted Identifiers is different from the normal interpretation. Quoted Identifier (using backticks) has a special interpretation for Select expressions(as Regular ...
http://issues.apache.org/jira/browse/HIVE-6013    Author: Harish Butani, 2014-07-17, 23:09
[HIVE-7344] Add streaming support in Windowing mode for FirstVal, LastVal - Hive - [issue]
...Continuation of HIVE-7062, HIVE-7143...
http://issues.apache.org/jira/browse/HIVE-7344    Author: Harish Butani, 2014-07-07, 23:25
[HIVE-7143] Add Streaming support in Windowing mode for more UDAFs (min/max, lead/lag, fval/lval) - Hive - [issue]
...Provided implementations for Streaming for the above fns.Min/Max based on Alg by Daniel Lemire: http://www.archipel.uqam.ca/309/1/webmaximinalgo.pdf...
http://issues.apache.org/jira/browse/HIVE-7143    Author: Harish Butani, 2014-07-07, 23:23
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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