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[HIVE-7437] Check if servlet-api and jetty module in Spark library are an issue for hive-spark integration [Spark Branch] - Hive - [issue]
...Currently we used a customized Spark 1.0.0 build for Hive on Spark project because of library conflicts. One of the conflicts found during POC is about servlet-api and jetty, where in Spark ...
http://issues.apache.org/jira/browse/HIVE-7437    Author: Xuefu Zhang, 2014-08-18, 17:31
[HIVE-7597] Support analyze table - Hive - [issue]
...Both MR and Tez has a visitor processing "analyze table ..." command. We cloned the code from Tez, but may need to make it fit for Spark, verify, and test....
http://issues.apache.org/jira/browse/HIVE-7597    Author: Xuefu Zhang, 2014-08-14, 09:49
[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, 2014-08-12, 20:26
[HIVE-7569] Make sure multi-MR queries work - Hive - [issue]
...With the latest dev effort, queries that would involve multiple MR jobs should be supported by spark now, except for sorting, multi-insert, union, and join (map join and smb might just work)...
http://issues.apache.org/jira/browse/HIVE-7569    Author: Xuefu Zhang, 2014-08-12, 20:26
[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-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
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