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[HIVE-7311] add cbo enable flag to cbo_correctness script and add it to the Tez tests as well - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-7311    Author: Gunther Hagleitner, 2014-06-28, 02:11
[HIVE-7310] Turning CBO on results in NPE on some queries - Hive - [issue]
...On the CBO branch if I do the following:hive> set hive.cbo.enable=true;                                 &nb...
http://issues.apache.org/jira/browse/HIVE-7310    Author: Gunther Hagleitner, 2014-06-28, 01:36
[HIVE-7158] Use Tez auto-parallelism in Hive - Hive - [issue]
...Tez can optionally sample data from a fraction of the tasks of a vertex and use that information to choose the number of downstream tasks for any given scatter gather edge.Hive estimates the...
http://issues.apache.org/jira/browse/HIVE-7158    Author: Gunther Hagleitner, 2014-06-24, 06:51
[HIVE-7252] TestTezTask.testSubmit fails in trunk - Hive - [issue]
...Testcase needs minor update...
http://issues.apache.org/jira/browse/HIVE-7252    Author: Gunther Hagleitner, 2014-06-19, 05:26
[HIVE-7253] TestNegativeCliDriver.testNegativeCliDriver_authorization_ctas fails on trunk - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-7253    Author: Gunther Hagleitner, 2014-06-19, 00:34
Cost-based optimization in Hive - Apache Hive - Apache Software Foundation - Hive - [wiki]
...                Go to start of metadata                           &nbs...
https://cwiki.apache.org/confluence/display/.../Cost-based+optimization+in+Hive    Author: Gunther Hagleitner, 2014-06-18, 00:00
[HIVE-7212] Use resource re-localization instead of restarting sessions in Tez - Hive - [issue]
...scriptfile1.q is failing on Tez because of a recent breakage in localization. On top of that we're currently restarting sessions if the resources have changed. (add file/add jar/etc). Instea...
http://issues.apache.org/jira/browse/HIVE-7212    Author: Gunther Hagleitner, 2014-06-16, 19:30
[HIVE-7071] Use custom Tez split generator to support schema evolution - Hive - [issue]
...Right now we're falling back to combinehivefileinputformat and switch of am side grouping when there's different schemata in a single vertex. We need to handle this in a custom initializer s...
http://issues.apache.org/jira/browse/HIVE-7071    Author: Gunther Hagleitner, 2014-06-02, 00:47
[HIVE-7112] Tez processor swallows errors - Hive - [issue]
...If a OOM or other occurs during initializing a TezProcessor the original stack trace/throwable is swallowed and replaced by a misleading NPE caused by trying to close an uninitialized proces...
http://issues.apache.org/jira/browse/HIVE-7112    Author: Gunther Hagleitner, 2014-05-31, 07:10
[HIVE-7148] Use murmur hash to create bucketed tables - Hive - [issue]
...HIVE-7121 introduced murmur hashing for queries that don't insert into bucketed tables. This was done to achieve better distribution of the data. The same should be done for bucketed tables ...
http://issues.apache.org/jira/browse/HIVE-7148    Author: Gunther Hagleitner, 2014-05-30, 05:47
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