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[HIVE-8993] Make sure Spark + HS2 work [Spark Branch] - Hive - [issue]
...We haven't formally tested this combination yet....
http://issues.apache.org/jira/browse/HIVE-8993    Author: Xuefu Zhang, 2014-12-16, 09:53
[HIVE-9103] Support backup task for join related optimization [Spark Branch] - Hive - [issue]
...In MR, backup task can be executed if the original task, which probably contains certain (join) optimization fails. This JIRA is to track this topic for Spark. We need to determine if we nee...
http://issues.apache.org/jira/browse/HIVE-9103    Author: Xuefu Zhang, 2014-12-15, 18:16
[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, 2014-12-12, 23:35
[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
[HIVE-7516] Add capacity control over queries running on Spark cluster [Spark Branch] - Hive - [issue]
...Add a capacity control mechanism in Hive to limit the number queries running on Spark concurrently which might overwhelm the cluster. Idea can be borrowed from Tez....
http://issues.apache.org/jira/browse/HIVE-7516    Author: Xuefu Zhang, 2014-12-11, 16:03
[HIVE-7382] Create a MiniSparkCluster and set up a testing framework [Spark Branch] - Hive - [issue]
...To automatically test Hive functionality over Spark execution engine, we need to create a test framework that can execute Hive queries with Spark as the backend. For that, we should create a...
http://issues.apache.org/jira/browse/HIVE-7382    Author: Xuefu Zhang, 2014-12-11, 15:53
[HIVE-9045] Choosing right preference between map join and bucket map join [Spark Branch] - Hive - [issue]
...Currently We convert a join to bucket map join only after it's converted to map join. Supposedly, however, bucket map join has a smaller memory print, so a join which doesn't fit to map join...
http://issues.apache.org/jira/browse/HIVE-9045    Author: Xuefu Zhang, 2014-12-09, 00:11
[HIVE-9044] Union input to a join operator poses problem when converting to map join [Spark Branch] - Hive - [issue]
...Followup for HIVE-8908. When a join operator has a union input on the big table side, we are not able to convert it to map join. The problem seems to be a result of the way we handle union i...
http://issues.apache.org/jira/browse/HIVE-9044    Author: Xuefu Zhang, 2014-12-08, 23:40
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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