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[HIVE-7859] Tune zlib compression in ORC to account for the encoding strategy - Hive - [issue]
...Currently ORC Zlib is slow because several compression strategies ZLib uses is already done by ORC in itself (dictionary, RLE, bit-packing).We need to pick between Z_FILTERED, Z_HUFFMAN_ONLY...
http://issues.apache.org/jira/browse/HIVE-7859    Author: Gopal V, 2014-08-23, 00:40
[HIVE-6988] Hive changes for tez-0.5.x compatibility - Hive - [issue]
...Umbrella JIRA to track all hive changes needed for tez-0.5.x compatibility.tez-0.4.x -> tez.0.5.x is going to break backwards compat....
http://issues.apache.org/jira/browse/HIVE-6988    Author: Gopal V, 2014-08-22, 12:02
[HIVE-7838] Tez getProgress() should return number of failed attempts - Hive - [issue]
...Tez progress from DAGClient should contain both failed tasks and failed attempts counts.This helps with debugging a slow query due to a bad machine....
http://issues.apache.org/jira/browse/HIVE-7838    Author: Gopal V, 2014-08-21, 22:17
[HIVE-7825] Bring tez-branch up-to the API changes made by TEZ-1472, TEZ-1469 - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-7825    Author: Gopal V, 2014-08-21, 21:32
Re: Review Request 24834: HIVE-7771: ORC PPD fails for some decimal predicates - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/24834/#review50950ql/src/java/org/apache/hadoop/hive/ql/io/orc/RecordReaderImpl.java    ...
   Author: Gopal V, 2014-08-19, 01:57
[HIVE-7417] select count(1) from ... where true; fails in optimizer - Hive - [issue]
...Simple queries which fail are  select count(1) from store_sales where true and ss_sold_date='2001-01-02'; select count(1) from store_sales where true;FAILED: SemanticException java...
http://issues.apache.org/jira/browse/HIVE-7417    Author: Gopal V, 2014-08-17, 09:22
[HIVE-7656] Bring tez-branch up-to the API changes made by TEZ-1372 - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-7656    Author: Gopal V, 2014-08-15, 22:17
Re: New to TEZ - Hive - [mail # user]
...On 8/11/14, 1:48 PM, karthik Srivasthava wrote:Hi,The correct items to post back would be hive.tez.container.size, hive.tez.java.opts and the value of io.sort.mb.It does look like you have a...
   Author: Gopal V, 2014-08-13, 17:44
[HIVE-7160] Vectorization Udf: GenericUDFConcat for non-string columns input, is not supported - Hive - [issue]
...simple UDF missing vectorization - simple example would be hive> explain select concat( l_orderkey, ' msecs') from lineitem;is not vectorized whilehive>  explain select concat(cas...
http://issues.apache.org/jira/browse/HIVE-7160    Author: Gopal V, 2014-08-11, 18:07
[HIVE-7396] BucketingSortingReduceSinkOptimizer throws NullPointException during ETL - Hive - [issue]
...When a bucketed insert is performed from a partitioned table into a new table2014-07-11 22:11:30,176 ERROR [main]: ql.Driver (SessionState.java:printError(660)) - FAILED: NullPointerExceptio...
http://issues.apache.org/jira/browse/HIVE-7396    Author: Gopal V, 2014-08-10, 02:36
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