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[HIVE-8202] Support SMB Join for Hive on Spark [Spark Branch] - Hive - [issue]
...SMB joins are used wherever the tables are sorted and bucketed. It's a map-side join. The join boils down to just merging the already sorted tables, allowing this operation to be faster than...
http://issues.apache.org/jira/browse/HIVE-8202    Author: Xuefu Zhang, 2014-12-22, 21:17
[HIVE-9088] Spark counter serialization error in spark.log [Spark Branch] - Hive - [issue]
...It seems that the counter didn't get registered. Increasing it in executor caused this error. Task itself succeeds nevertheless.2014-12-11 05:24:48,951 ERROR [Executor task launch worker-0]:...
http://issues.apache.org/jira/browse/HIVE-9088    Author: Xuefu Zhang, 2014-12-19, 19:24
[HIVE-8548] Integrate with remote Spark context after HIVE-8528 [Spark Branch] - Hive - [issue]
...With HIVE-8528, HiverSever2 should use remote Spark context to submit job and monitor progress, etc. This is necessary if Hive runs on standalone cluster, Yarn, or Mesos. If Hive runs with s...
http://issues.apache.org/jira/browse/HIVE-8548    Author: Xuefu Zhang, 2014-12-19, 07:01
[HIVE-8843] Release RDD cache when Hive query is done [Spark Branch] - Hive - [issue]
...In some multi-inser cases, RDD.cache() is called to improve performance. RDD is SparkContext specific, but the caching is useful only for the query. Thus, once the query is executed, we need...
http://issues.apache.org/jira/browse/HIVE-8843    Author: Xuefu Zhang, 2014-12-17, 20:38
[HIVE-8406] Research on skewed join [Spark Branch] - Hive - [issue]
...Research on how to handle skewed join for hive on spark. Here is original hive's design doc for skewed join, https://cwiki.apache.org/confluence/display/Hive/Skewed+Join+Optimization....
http://issues.apache.org/jira/browse/HIVE-8406    Author: Xuefu Zhang, 2014-12-17, 16:35
[HIVE-9059] Remove wrappers for SparkJobInfo and SparkStageInfo [Spark Branch] - Hive - [issue]
...SPARK-4567 is resolved. We can remove the wrappers we added to solve the serailization issues....
http://issues.apache.org/jira/browse/HIVE-9059    Author: Xuefu Zhang, 2014-12-17, 16:29
Re: How to debug hive unit test in eclipse ? - Hive - [mail # dev]
...Besides running the test in eclipse (if possible), the other way to do isto enable debug for sure-fire and connect it with eclipse using remoteapplication debugging.http://maven.apache.org/s...
   Author: Xuefu Zhang, 2014-12-16, 15:25
[HIVE-9089] Error when cleaning up in spark.log [Spark Branch] - Hive - [issue]
...Error in logged in spark.log. It might be an concurrency issue:2014-12-11 05:24:58,690 ERROR [delete Spark local dirs]: storage.DiskBlockManager (Logging.scala:logError(96)) - Exception whil...
http://issues.apache.org/jira/browse/HIVE-9089    Author: Xuefu Zhang, 2014-12-12, 17:05
[HIVE-7593] Instantiate SparkClient per user session [Spark Branch] - Hive - [issue]
...SparkContext is the main class via which Hive talk to Spark cluster. SparkClient encapsulates a SparkContext instance. Currently all user sessions share a single SparkClient instance in Hive...
http://issues.apache.org/jira/browse/HIVE-7593    Author: Xuefu Zhang, 2014-12-12, 07:53
[HIVE-8849] Hive/Spark/Yarn integration [Spark Branch] - Hive - [issue]
...Most if not all of our tests so far are done on Spark local or standalone clusters. As Yarn becomes the "standard" cluster resource management framework and Spark can be deployed on Yarn, we...
http://issues.apache.org/jira/browse/HIVE-8849    Author: Xuefu Zhang, 2014-12-11, 17:44
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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