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[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, 2014-07-07, 20:51
Re: Branch for HIVE-7292 - Hive - [mail # dev]
...Hi all,I went ahead and created a branch as below:https://svn.apache.org/repos/asf/hive/branches/spark.Let me know if you have any questions.Thanks,XuefuOn Wed, Jul 2, 2014 at 7:18 AM, Xuefu...
   Author: Xuefu Zhang, 2014-07-07, 20:07
[HIVE-6694] Beeline should provide a way to execute shell command as Hive CLI does - Hive - [issue]
...Hive CLI allows a user to execute a shell command using ! notation. For instance, !cat myfile.txt. Being able to execute shell command may be important for some users. As a replacement, howe...
http://issues.apache.org/jira/browse/HIVE-6694    Author: Xuefu Zhang, 2014-07-06, 05:04
[HIVE-7338] Create SparkPlanGenerator - Hive - [issue]
...Translate SparkWork into SparkPlan. The translation may be invoked by SparkClient when executing SparkTask....
http://issues.apache.org/jira/browse/HIVE-7338    Author: Xuefu Zhang, 2014-07-02, 20:16
[HIVE-7337] Create ReduceFunction - Hive - [issue]
...Wrap Hive's reduce-side data processing for Spark....
http://issues.apache.org/jira/browse/HIVE-7337    Author: Xuefu Zhang, 2014-07-02, 20:14
[HIVE-7336] Create MapFunction - Hive - [issue]
...Wrap Hive's map-side data processing for Spark....
http://issues.apache.org/jira/browse/HIVE-7336    Author: Xuefu Zhang, 2014-07-02, 20:14
[HIVE-7328] Refactoring: make Hive reduce side data processing reusable - Hive - [issue]
...ExecReducer is Hive's reducer implementation for MapReduce. Table rows are shuffled by MR framework to ExecReducer and further processed by ExecReducer.reduce() method, which invokes Hive's ...
http://issues.apache.org/jira/browse/HIVE-7328    Author: Xuefu Zhang, 2014-07-02, 19:41
[HIVE-7327] Refactoring: make Hive map side data processing reusable - 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, 2014-07-02, 19:39
Re: Review Request 22772: HIVE-6637: UDF in_file() doesn't take CHAR or VARCHAR as input - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/22772/#review46879data/files/in_file.dat    It's fine. I just wanted to point out that ...
   Author: Xuefu Zhang, 2014-06-27, 17:33
Re: Review Request 23006: Escape control characters for explain result - Hive - [mail # dev]
...Using 0x00 as the separator doesn't solve the null problem either, so I think we don't have to address that in this JIRA either. This is just for comments, so probably it doesn't really matt...
   Author: Xuefu Zhang, 2014-06-27, 13:56
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