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[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]
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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-6360] Hadoop 2.3 + Tez 0.3 - Hive - [issue]
...There are some things pending that rely on hadoop 2.3 or tez 0.3. These are not released yet, but will be soon. I'm proposing to collect these in the tez branch and do a merge back once thes...
http://issues.apache.org/jira/browse/HIVE-6360    Author: Gunther Hagleitner, 2014-06-09, 09:50
[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
[HIVE-6189] Support top level union all statements - Hive - [issue]
...I've always wondered why union all has to be in subqueries in hive.After looking at it, problems are: Hive Parser: Union happens at the wrong place (insert ... select ... union all select .....
http://issues.apache.org/jira/browse/HIVE-6189    Author: Gunther Hagleitner, 2014-05-27, 14:43
[HIVE-4440] SMB Operator spills to disk like it's 1999 - Hive - [issue]
...I was recently looking into some performance issue with a query that used SMB join and was running really slow. Turns out that the SMB join by default caches only 100 values per key before s...
http://issues.apache.org/jira/browse/HIVE-4440    Author: Gunther Hagleitner, 2014-05-19, 09:50
[HIVE-4320] Consider extending max limit for precision to 38 - Hive - [issue]
...Max precision of 38 still fits in 128. It changes the way you do math on these numbers though. Need to see if there will be perf implications, but there's a strong case to support 38 (instea...
http://issues.apache.org/jira/browse/HIVE-4320    Author: Gunther Hagleitner, 2014-05-18, 08:35
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