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Re: Building Hadoop/Hive App - Hive - [mail # user]
...Hello Guillermo,  Sure, you can use the Thrift API to connect to Hive  https://cwiki.apache.org/Hive/hiveclient.html#HiveClient-Python  cheers, esteban.   Cloudera, Inc. ...
   Author: Esteban Gutierrez, 2013-08-14, 22:51
[HIVE-3590] TCP KeepAlive and connection timeout for the HiveServer - Hive - [issue]
...Simple implementation of TCP KeepAlive and socket timeout for the HiveServer in order to avoid half open connections or connection drops during long running queries that use HiveServer.Two n...
http://issues.apache.org/jira/browse/HIVE-3590    Author: Esteban Gutierrez, 2012-10-20, 06:55
[HIVE-2737] CombineFileInputFormat fails if mapred.job.tracker is set to local with a sub-query - Hive - [issue]
...If the CombineFileInputFormat and mapred.job.tracker=local are used together, the CombineFileInputFormat throws a java.io.FileNotFoundException if the query statment contains a sub-query:hiv...
http://issues.apache.org/jira/browse/HIVE-2737    Author: Esteban Gutierrez, 2012-10-09, 21:25
[HIVE-3434] Batch creation of indexes for tables with a very large number of partitions - Hive - [issue]
...When creating indexes for a table with a very large number of partitions, Hive pulls all the metadata definition from that table before starting starting the index generation. Even some of t...
http://issues.apache.org/jira/browse/HIVE-3434    Author: Esteban Gutierrez, 2012-09-05, 22:36
Re: Custom Mapper and Reducer vs HiveQL in terms of Performance - Hive - [mail # user]
...Raihan,  There is no need to implement a custom mapper or reducer. If you are experiencing issues with performance you might consider to use bucketized tables and do a bucketed map join...
   Author: Esteban Gutierrez, 2012-07-13, 00:57
[HIVE-3214] Use datanucleus performance settings in HiveConf - Hive - [issue]
...Datanucleus recommends the following properties to be enabled for better performance:http://www.datanucleus.org/products/accessplatform/performance_tuning.htmlSome of this settings like "dat...
http://issues.apache.org/jira/browse/HIVE-3214    Author: Esteban Gutierrez, 2012-06-28, 21:33
Re: Quering RDBMS table in a Hive query - Hive - [mail # user]
...Hi Ruslan,  Jan's approach sounds like a good workaround only if you can use the output in a mapjoin, but I don't think it will scale nicely if you have a very large number of  tas...
   Author: Esteban Gutierrez, 2012-06-15, 17:43
[HIVE-2751] Hive needs a framework for end to end testing - Hive - [issue]
...Hive tests do a really nice work, but it would be nice to have end to end tests like in Pig: PIG-1899Implementing an end to end testing framework can offer the possibility for Hive developer...
http://issues.apache.org/jira/browse/HIVE-2751    Author: Esteban Gutierrez, 2012-01-26, 06:18
[HIVE-2307] Schema creation scripts for PostgreSQL use bit(1) instead of boolean - Hive - [issue]
...The specified type for DEFERRED_REBUILD (IDXS) and IS_COMPRESSED (SDS) columns in the metastore is defined as bit(1) type which is not supported by PostgreSQL JDBC.hive> create table test...
http://issues.apache.org/jira/browse/HIVE-2307    Author: Esteban Gutierrez, 2011-12-16, 23:56
[HIVE-2601] map join silently fails when the heap is exhausted if the chosen table for map join compressed - Hive - [issue]
...If table used for Map Join is not compressed:2011-11-22 12:50:03     Starting to launch local task to process map join;      maximum memory = 49610752Exception in th...
http://issues.apache.org/jira/browse/HIVE-2601    Author: Esteban Gutierrez, 2011-11-22, 09:14
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