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[HIVE-8758] Fix hadoop-1 build [Spark Branch] - Hive - [issue]
...This may mean merging patches from trunk and fixing whatever problem specific to Spark branch. Here are user reported problems:Problem 1:Hive Serde ......................................... ...
http://issues.apache.org/jira/browse/HIVE-8758    Author: Xuefu Zhang, 2014-11-10, 05:30
[HIVE-8700] Replace ReduceSink to HashTableSink (or equi.) for small tables [Spark Branch] - Hive - [issue]
...With HIVE-8616 enabled, the new plan has ReduceSinkOperator for the small tables. For example, the follow represents the operator plan for the small table dec1 derived from query explain sel...
http://issues.apache.org/jira/browse/HIVE-8700    Author: Xuefu Zhang, 2014-11-07, 08:52
[HIVE-8073] Go thru all operator plan optimizations and disable those that are not suitable for Spark [Spark Branch] - Hive - [issue]
...I have seen some optimization done in the logical plan that's not applicable, such as in HIVE-8054. We should go thru all those optimizaitons to identify if any....
http://issues.apache.org/jira/browse/HIVE-8073    Author: Xuefu Zhang, 2014-11-06, 14:15
[HIVE-8219] Multi-Insert optimization, don't sink the source into a file [Spark Branch] - Hive - [issue]
...Current implementation split the operator plan at the lowest common ancester by inserting one FileSinkOperator and a list of TableScanOperators. Writing to a file (by the FS) is expensive. W...
http://issues.apache.org/jira/browse/HIVE-8219    Author: Xuefu Zhang, 2014-11-06, 04:27
Re: Can we submit Hive on Spark queries to Spark-Hadoop1 - Hive - [mail # dev]
...Did you build Hive with -Phadoop-1?On Wed, Nov 5, 2014 at 6:53 AM, Prabu Soundar Rajan -X (prabsoun - MINDTREELIMITED at Cisco)  wrote: ...
   Author: Xuefu Zhang, 2014-11-05, 17:07
[HIVE-8738] Potential file descriptor leak at mr.HashTableLoader.load() method - Hive - [issue]
...The following code is faulty:        ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(            new FileInpu...
http://issues.apache.org/jira/browse/HIVE-8738    Author: Xuefu Zhang, 2014-11-05, 00:58
[HIVE-8699] Enable support for common map join [Spark Branch] - Hive - [issue]
...This JIRA is to track issues related to common map-join support in Spark, including logical and physical optimizations. HIVE-8616 provided initialial processing, mainly represented by SparkM...
http://issues.apache.org/jira/browse/HIVE-8699    Author: Xuefu Zhang, 2014-11-04, 20:00
Re: Hive on Spark for simple hive queries - Hive - [mail # dev]
...For certain simple queries like your example, Hive doesn't someoptimization by execute it locally, which means no jobs are submitted tothe cluster (MR or Spark). I'm not sure if there is a w...
   Author: Xuefu Zhang, 2014-11-04, 18:22
[HIVE-8702] Extra MapTask created but not connected [Spark Branch] - Hive - [issue]
...Based on Szehon's observation, there is a strange extra maptask generated but not connected.  Here is the query to demonstrate:select * FROM(SELECT avg(key) as x1, value as x2 FROM src ...
http://issues.apache.org/jira/browse/HIVE-8702    Author: Xuefu Zhang, 2014-11-04, 00:21
Re: Reduce phase in Hive on Spark - Hive - [mail # dev]
...Hi Prabu,Thanks for trying out. Hive on Spark is currently based on Spark 1.2, whichis its current master branch.Thanks,XuefuOn Mon, Nov 3, 2014 at 4:16 AM, Prabu Soundar Rajan -X (prabsoun ...
   Author: Xuefu Zhang, 2014-11-03, 14:38
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB