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Review Request 23971: HCatInputFormat in hive-hcatalog-core 0.13 does not compatible with hadoop2 - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/23971/Review request for hive.Bugs: HIVE-6970    https://issues.apache.org/jira/browse/...
   Author: Navis Ryu, 2014-07-28, 01:25
[HIVE-7527] Support order by and sort by on Spark - Hive - [issue]
...Currently Hive depends completely on MapReduce's sorting as part of shuffling to achieve order by (global sort, one reducer) and sort by (local sort).Spark has a sort by transformation in di...
http://issues.apache.org/jira/browse/HIVE-7527    Author: Xuefu Zhang, 2014-07-27, 23:40
[HIVE-7528] Support cluster by and distributed by - Hive - [issue]
...clustered by = distributed by + sort by, so this is related to HIVE-7527. If sort by is in place, the assumption is that we don't need to do anything about distributed by or clustered by. St...
http://issues.apache.org/jira/browse/HIVE-7528    Author: Xuefu Zhang, 2014-07-27, 23:38
[HIVE-7526] Research to use groupby transformation to replace Hive existing partitionByKey and SparkCollector combination - Hive - [issue]
...Currently SparkClient shuffles data by calling paritionByKey(). This transformation outputs <key, value> tuples. However, Hive's ExecMapper expects <key, iterator<value>> t...
http://issues.apache.org/jira/browse/HIVE-7526    Author: Xuefu Zhang, 2014-07-27, 22:55
[HIVE-7493] Enhance HiveReduceFunction's row clustering - Hive - [issue]
...HiveReduceFunction is backed by Hive's ExecReducer, whose reduce function takes an input in the form of <key, value list>. However, HiveReduceFunction's input is an iterator over a set...
http://issues.apache.org/jira/browse/HIVE-7493    Author: Xuefu Zhang, 2014-07-27, 21:18
[HIVE-7525] Research to find out if it's possible to submit Spark jobs concurrently using shared SparkContext - Hive - [issue]
...Refer to HIVE-7503 and SPARK-2688. Find out if it's possible to submit multiple spark jobs concurrently using a shared SparkContext. SparkClient's code can be manipulated for this test. Here...
http://issues.apache.org/jira/browse/HIVE-7525    Author: Xuefu Zhang, 2014-07-27, 21:04
[HIVE-7503] Support Hive's multi-table insert query with Spark - Hive - [issue]
...For Hive's multi insert query (https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DML), there may be an MR job for each insert.  When we achieve this with Spark, it would b...
http://issues.apache.org/jira/browse/HIVE-7503    Author: Xuefu Zhang, 2014-07-27, 21:03
[HIVE-7459] Fix NPE when an empty file is included in a Hive query that uses CombineHiveInputFormat - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-7459    Author: Brock Noland, 2014-07-27, 20:09
[HIVE-7524] Enable auto conversion of SMBjoin in presence of constant propagate optimization - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-7524    Author: Ashutosh Chauhan, 2014-07-27, 19:42
[HIVE-7286] Parameterize HCatMapReduceTest for testing against all Hive storage formats - Hive - [issue]
...Currently, HCatMapReduceTest, which is extended by the following test suites: TestHCatDynamicPartitioned TestHCatNonPartitioned TestHCatPartitioned TestHCatExternalDynamicPartitioned TestHCa...
http://issues.apache.org/jira/browse/HIVE-7286    Author: David Chen, 2014-07-27, 10:48
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