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[HIVE-8632] VectorKeyHashWrapper::duplicateTo allocates too many zero sized arrays - Hive - [issue]
...VectorHashKeyWrapper::duplicateTo() should not make copies of zero sized typed arrays....
http://issues.apache.org/jira/browse/HIVE-8632    Author: Gopal V, 2014-11-01, 03:12
[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, 2014-10-31, 18:22
[HIVE-8546] Handle "add archive scripts.tar.gz" in Tez - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-8546    Author: Gopal V, 2014-10-31, 17:49
[HIVE-8236] VectorHashKeyWrapper allocates too many zero sized arrays - Hive - [issue]
...VectorHashKeyWrappper creation allocates too many zero sized arrays and thrashes the TLAB....
http://issues.apache.org/jira/browse/HIVE-8236    Author: Gopal V, 2014-10-28, 16:51
[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, 2014-10-22, 18:55
[HIVE-8349] DISTRIBUTE BY should work with tez auto-parallelism enabled - Hive - [issue]
...Current implementation of DISTRIBUTE BY does not work when tez auto-parallelism is turned on, because of hashCode distribution issues.In case of distribute by, the key is actually zero bytes...
http://issues.apache.org/jira/browse/HIVE-8349    Author: Gopal V, 2014-10-17, 21:05
Re: [ANNOUNCE] New Apache Tez Committer - Jeff Zhang - Hive - [mail # dev]
...On 10/16/14, 3:42 PM, Hitesh Shah wrote:Congrats Jeff!Cheers,Gopal ...
   Author: Gopal V, 2014-10-17, 18:42
Re: GC/OOM fix when writing large/many columns - Hive - [mail # dev]
...On 10/13/14, 10:53 PM, Sean McNamara wrote:...Can you post the exact query, because this OOM is in my list of already fixed performance issues (HIVE-6455).I have tested Hive-13 partitioned i...
   Author: Gopal V, 2014-10-14, 17:34
Re: [VOTE] officially stop supporting hadoop 0.20.x in hive 0.14 ? - Hive - [mail # dev]
...On 10/7/14, 3:53 PM, Thejas Nair wrote:+1Cheers,Gopal ...
   Author: Gopal V, 2014-10-08, 06:54
Re: Tez Vertex failure - Hive - [mail # user]
...On 10/3/14, 5:20 PM, Echo Li wrote:That is simple enough that it should work anyway.There is strong possibility that the rest of that RuntimeException gives a clue to the problem - if anythi...
   Author: Gopal V, 2014-10-04, 01:39
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB