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[HIVE-7331] Create SparkCompiler [Spark Branch] - Hive - [issue]
...SparkCompiler translates the operator plan into SparkWorks. It behaves a similar way as MapReduceCompiler for MR and TezCompiler for Tez.NO PRECOMMIT TESTS. This is for spark branch only....
http://issues.apache.org/jira/browse/HIVE-7331    Author: Xuefu Zhang, 2014-09-06, 00:43
[HIVE-7327] Refactoring: make Hive map side data processing reusable [Spark Branch] - Hive - [issue]
...ExecMapper is Hive's mapper implementation for MapReduce. Table rows are read by MR framework and processed by ExecMapper.map() method, which invokes Hive's map-side operator tree starting f...
http://issues.apache.org/jira/browse/HIVE-7327    Author: Xuefu Zhang, 2014-09-06, 00:42
[HIVE-7330] Create SparkTask [Spark Branch] - Hive - [issue]
...SparkTask handles the execution of SparkWork. It will execute a graph of map and reduce work using a SparkClient instance....
http://issues.apache.org/jira/browse/HIVE-7330    Author: Xuefu Zhang, 2014-09-06, 00:40
[HIVE-7958] SparkWork generated by SparkCompiler may require multiple Spark jobs to run - Hive - [issue]
...A SparkWork instance currently may contain disjointed work graphs. For instance, union_remove_1.q may generated a plan like this:Reduce2 <- Map 1Reduce4 <- Map 3The SparkPlan instance ...
http://issues.apache.org/jira/browse/HIVE-7958    Author: Xuefu Zhang, 2014-09-05, 00:50
[HIVE-7580] Support dynamic partitioning [Spark Branch] - Hive - [issue]
...My understanding is that we don't need to do anything special for this. However, this needs to be verified and tested....
http://issues.apache.org/jira/browse/HIVE-7580    Author: Xuefu Zhang, 2014-09-04, 16:50
[HIVE-6712] HS2 JDBC driver is inconsistent w.r.t. auto commit - Hive - [issue]
...I see an inconsistency in HS2 JDBC driver code:  @Override  public void setAutoCommit(boolean autoCommit) throws SQLException {    if (autoCommit) { &...
http://issues.apache.org/jira/browse/HIVE-6712    Author: Xuefu Zhang, 2014-09-02, 10:21
[HIVE-5956] SHOW TBLPROPERTIES doesn't take db name - Hive - [issue]
...Identified in HIVE-5912....
http://issues.apache.org/jira/browse/HIVE-5956    Author: Xuefu Zhang, 2014-09-02, 05:49
[HIVE-6179] OOM occurs when query spans to a large number of partitions - Hive - [issue]
...When executing a query against a large number of partitions, such as "select count from table", OOM error may occur because Hive fetches the metadata for all partitions involved and tries to...
http://issues.apache.org/jira/browse/HIVE-6179    Author: Xuefu Zhang, 2014-09-01, 06:57
[HIVE-7438] Counters, statistics, and metrics [Spark Branch] - Hive - [issue]
...Hive makes use of MapReduce counters for statistics and possibly for other purposes. For Hive on Spark, we should achieve the same functionality using Spark's accumulators.Hive also collects...
http://issues.apache.org/jira/browse/HIVE-7438    Author: Xuefu Zhang, 2014-08-27, 15:56
[HIVE-7384] Research into reduce-side join [Spark Branch] - Hive - [issue]
...Hive's join operator is very sophisticated, especially for reduce-side join. While we expect that other types of join, such as map-side join and SMB map-side join, will work out of the box w...
http://issues.apache.org/jira/browse/HIVE-7384    Author: Xuefu Zhang, 2014-08-22, 22:54
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