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[HIVE-7492] Enhance SparkCollector - Hive - [issue]
...SparkCollector is used to collect the rows generated by HiveMapFunction or HiveReduceFunction. It currently is backed by a ArrayList, and thus has unbounded memory usage. Ideally, the collec...
http://issues.apache.org/jira/browse/HIVE-7492    Author: Xuefu Zhang, 2014-08-07, 22:57
Re: [jira] [Commented] (HIVE-7624) Reduce operator initialization failed when running multiple MR query on spark - Hive - [mail # dev]
...Another thing to watch is HiveConf's thread safety. I see it uses manystatic variables, but not sure if this the cause.On Tue, Aug 5, 2014 at 10:39 PM, Chao (JIRA)  wrote: ...
   Author: Xuefu Zhang, 2014-08-07, 00:51
[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, 2014-08-04, 22:33
[HIVE-7564] Remove some redundant code plus a bit of cleanup in SparkClient [Spark Branch] - Hive - [issue]
...NO PRECOMMIT TESTS. This is for spark branch only....
http://issues.apache.org/jira/browse/HIVE-7564    Author: Xuefu Zhang, 2014-07-31, 02:02
[HIVE-7556] Fix code style, license header, tabs, etc. [Spark Branch] - Hive - [issue]
...NO PRECOMMIT TESTS. This is for spark branch only....
http://issues.apache.org/jira/browse/HIVE-7556    Author: Xuefu Zhang, 2014-07-30, 20:23
[HIVE-7439] Spark job monitoring and error reporting - Hive - [issue]
...After Hive submits a job to Spark cluster, we need to report to user the job progress, such as the percentage done, to the user. This is especially important for long running queries. Moreov...
http://issues.apache.org/jira/browse/HIVE-7439    Author: Xuefu Zhang, 2014-07-30, 04:51
[HIVE-5872] Make UDAFs such as GenericUDAFSum report accurate precision/scale for decimal types - Hive - [issue]
...Currently UDAFs are still reporting system default precision/scale (38, 18) for decimal results. Not only this is coarse, but also this can cause problems in subsequent operators such as div...
http://issues.apache.org/jira/browse/HIVE-5872    Author: Xuefu Zhang, 2014-07-28, 15:04
[expand - 1 more] - Re: Hive User Group Meeting - Hive - [mail # dev]
...Dear Hive users and developers,As an update, the hive user group meeting during Hadoop World will be heldon Oct. 15th, from 6:30pm to 9:00pm at about.com's office at 1500 Broadway,6th floor,...
   Author: Xuefu Zhang, 2014-07-25, 21:37
[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, 2014-07-24, 05:48
[HIVE-7489] Change ql/pom.xml to fix mvn project setup [Spark Branch] - Hive - [issue]
...In ql/pom.xml, spark dependency is specified as "provided" and optional. It seems that eclipse projects generated by maven doesn't including the dependency on those that are specified as "pr...
http://issues.apache.org/jira/browse/HIVE-7489    Author: Xuefu Zhang, 2014-07-23, 23:38
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