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[HIVE-5668] path normalization in MapOperator is expensive - Hive - [issue]
...The conversion of paths in MapWork.getPathToAliases is happening multiple times in MapOperator.cleanUpInputFileChangedOp. Caching the results of conversion can improve the performance of hiv...
http://issues.apache.org/jira/browse/HIVE-5668    Author: Thejas M Nair, 2013-10-30, 05:45
[HIVE-5554] add more comments to CombineHiveInputFormat.java, BucketizedHiveInputFormat.java - Hive - [issue]
...more comments to CombineHiveInputFormat.java, BucketizedHiveInputFormat.java to make it easier to understand.NO PRECOMMIT TESTS (tested build locally)...
http://issues.apache.org/jira/browse/HIVE-5554    Author: Thejas M Nair, 2013-10-28, 22:46
[HIVE-5666] use Path instead of String for IOContext.inputPath - Hive - [issue]
...Path is converted to string in HiveContextAwareRecordReader to be stored in IOContext.inputPath, then in MapOperator normalizePath gets called on it which converts it back to Path. Path crea...
http://issues.apache.org/jira/browse/HIVE-5666    Author: Thejas M Nair, 2013-10-28, 22:46
[HIVE-5133] webhcat jobs that need to access metastore fails in secure mode - Hive - [issue]
...Webhcat job submission requests result in the pig/hive/mr job being run from a map task that it launches. In secure mode, for the pig/hive/mr job that is run to be authorized to perform acti...
http://issues.apache.org/jira/browse/HIVE-5133    Author: Thejas M Nair, 2013-10-23, 21:03
[HIVE-5608] tez AM should be able to serialize orc footer in splits - Hive - [issue]
...This will avoid seeks to end of file from each split in each task to find the footer metadata....
http://issues.apache.org/jira/browse/HIVE-5608    Author: Thejas M Nair, 2013-10-23, 04:15
[HIVE-5603] several classes call initCause which masks lower level exceptions - Hive - [issue]
...AuthorizationPreEventListener has following code that will result in "Can't overwrite exception" being thrown, and also mask the lower level exception.  private InvalidOperationExc...
http://issues.apache.org/jira/browse/HIVE-5603    Author: Thejas M Nair, 2013-10-22, 22:40
[HIVE-4542] TestJdbcDriver2.testMetaDataGetSchemas fails because of unexpected database - Hive - [issue]
...The check for database name in TestJdbcDriver2.testMetaDataGetSchemas fails with the error -junit.framework.ComparisonFailure: expected:<...efault> but was:<...bname>ie, a databa...
http://issues.apache.org/jira/browse/HIVE-4542    Author: Thejas M Nair, 2013-10-16, 00:31
[HIVE-5167] webhcat_config.sh checks for env variables being set before sourcing webhcat-env.sh - Hive - [issue]
...HIVE-4820 introduced checks for env variables, but it does so before sourcing webhcat-env.sh. This order needs to be reversed....
http://issues.apache.org/jira/browse/HIVE-5167    Author: Thejas M Nair, 2013-10-16, 00:31
[HIVE-5388] Use a custom LogicalIOProcessor in Tez vertex - Hive - [issue]
...Hive is currently using MapProcessor and ReduceProcessor as vertex in tez. But that gives only a single input like traditional MR jobs. To be able to use flexibitly of Tez and work with mult...
http://issues.apache.org/jira/browse/HIVE-5388    Author: Thejas M Nair, 2013-10-15, 06:21
[HIVE-5448] webhcat duplicate test TestMapReduce_2 should be removed - Hive - [issue]
...TestMapReduce_2 in jobsubmission.conf should be removed, as it is a duplicate of TestHeartbeat_2 in jobsubmission2.confNO PRECOMMIT TESTS...
http://issues.apache.org/jira/browse/HIVE-5448    Author: Thejas M Nair, 2013-10-15, 04:38
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