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[HIVE-9119] ZooKeeperHiveLockManager does not use zookeeper in the proper way - Hive - [issue]
...ZooKeeperHiveLockManager does not use zookeeper in the proper way. Currently a new zookeeper client instance is created for each getlock/releaselock query which sometimes causes the number o...
http://issues.apache.org/jira/browse/HIVE-9119    Author: Na Yang, 2014-12-16, 06:19
[HIVE-8405] Research Bucket Map Join [Spark Branch] - Hive - [issue]
...Research on how to implement Bucket Map Join for hive on Spark...
http://issues.apache.org/jira/browse/HIVE-8405    Author: Na Yang, 2014-12-11, 15:45
[HIVE-8751] Null Pointer Exception when counter is used for stats during inserting overwrite partitioned tables [Spark Branch] - Hive - [issue]
...The following quries cause NullPointerExceptionset hive.stats.dbclass=counter;set hive.stats.autogather=true;set hive.exec.dynamic.partition.mode=nonstrict;create table dummy (key string, va...
http://issues.apache.org/jira/browse/HIVE-8751    Author: Na Yang, 2014-12-11, 15:43
[HIVE-8638] Implement bucket map join optimization [Spark Branch] - Hive - [issue]
...In the hive-on-mr implementation, bucket map join optimization has to depend on the map join hint. While in the hive-on-tez implementation, a join can be automatically converted to bucket ma...
http://issues.apache.org/jira/browse/HIVE-8638    Author: Na Yang, 2014-12-09, 02:23
[HIVE-9024] NullPointerException when starting webhcat server if templeton.hive.properties is not set - Hive - [issue]
...If templeton.hive.properties is not set, when starting webhcat server, the following NullPointerException is thrown and webhcat server could not start:Exception in thread "main" java.lang.Nu...
http://issues.apache.org/jira/browse/HIVE-9024    Author: Na Yang, 2014-12-08, 18:05
[HIVE-8627] Compute stats on a table from impala caused the table to be corrupted - Hive - [issue]
...Use impala 2.0 to connect to hive-0.13 Metastore.From impala, run the following queries:create table voter1(voter_id int,name string,age tinyint, registrationstring,contributions decimal(5,2...
http://issues.apache.org/jira/browse/HIVE-8627    Author: Na Yang, 2014-11-22, 02:08
[HIVE-8756] numRows and rawDataSize are not collected by the Spark stats [Spark Branch] - Hive - [issue]
...Run the following hive queriesset datanucleus.cache.collections=false;set hive.stats.autogather=true;set hive.merge.mapfiles=false;set hive.merge.mapredfiles=false;set hive.map.aggr=true;cre...
http://issues.apache.org/jira/browse/HIVE-8756    Author: Na Yang, 2014-11-21, 18:58
[HIVE-8561] Expose Hive optiq operator tree to be able to support other sql on hadoop query engines - Hive - [issue]
...Hive-0.14 added cost based optimization and optiq operator tree is created for select queries. However, the optiq operator tree is not visible from outside and hard to be used by other Sql o...
http://issues.apache.org/jira/browse/HIVE-8561    Author: Na Yang, 2014-11-07, 15:01
[HIVE-7870] Insert overwrite table query does not generate correct task plan [Spark Branch] - Hive - [issue]
...Insert overwrite table query does not generate correct task plan when hive.optimize.union.remove and hive.merge.sparkfiles properties are ON. set hive.optimize.union.remove=trueset hive.merg...
http://issues.apache.org/jira/browse/HIVE-7870    Author: Na Yang, 2014-09-06, 07:46
[HIVE-7810] Insert overwrite table query has strange behavior when set hive.optimize.union.remove=true [Spark Branch] - Hive - [issue]
...Insert overwrite table query has strange behavior when set hive.optimize.union.remove=trueset hive.mapred.supports.subdirectories=true;set hive.merge.mapfiles=true;set hive.merge.mapredfiles...
http://issues.apache.org/jira/browse/HIVE-7810    Author: Na Yang, 2014-08-26, 05:10
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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