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[HIVE-3892] auto sort merge join does not work for sub-queries - Hive - [issue]
...set hive.enforce.bucketing = true;set hive.enforce.sorting = true;set hive.exec.reducers.max = 1;CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS;CR...
http://issues.apache.org/jira/browse/HIVE-3892    Author: Namit Jain, 2014-03-24, 20:50
[HIVE-1653] Ability to enforce correct stats - Hive - [issue]
...This is a follow-up for https://issues.apache.org/jira/browse/HIVE-1361.If one of the mappers/reducers cannot publish stats, it may lead to wrong aggregated stats.There should be a way to av...
http://issues.apache.org/jira/browse/HIVE-1653    Author: Namit Jain, 2014-03-15, 21:50
[HIVE-1083] allow sub-directories for an external table/partition - Hive - [issue]
...Sometimes users want to define an external table/partition based on all files (recursively) inside a directory.Currently most of the Hadoop InputFormat classes do not support that. We should...
http://issues.apache.org/jira/browse/HIVE-1083    Author: Namit Jain, 2014-03-04, 07:36
[HIVE-686] add UDF substring_index - Hive - [issue]
...add UDFsubstring_indexlook athttp://dev.mysql.com/doc/refman/5.0/en/func-op-summary-ref.htmlfor details...
http://issues.apache.org/jira/browse/HIVE-686    Author: Namit Jain, 2014-02-25, 08:01
[HIVE-3012] hive custom scripts do not work well if the data contains new lines - Hive - [issue]
...If the data contain newline, it will be passed as is to the script.The script has no way of splitting the data based on the new line.An option should be added to hive to escape/unescape the ...
http://issues.apache.org/jira/browse/HIVE-3012    Author: Namit Jain, 2014-02-07, 01:20
[HIVE-3552] HIVE-3552 performant manner for performing cubes/rollups/grouping sets for a high number of grouping set keys - Hive - [issue]
...This is a follow up for HIVE-3433.Had a offline discussion with Sambavi - she pointed out a scenario where theimplementation in HIVE-3433 will not scale. Assume that the user is performinga ...
http://issues.apache.org/jira/browse/HIVE-3552    Author: Namit Jain, 2014-01-22, 12:13
[HIVE-664] optimize UDF split - Hive - [issue]
...Min Zhou added a comment - 21/Jul/09 07:34 AMIt's very useful for us .some comments:   1. Can you implement it directly with Text ? Avoiding string decoding and encoding would be f...
http://issues.apache.org/jira/browse/HIVE-664    Author: Namit Jain, 2014-01-21, 04:42
[HIVE-2093] create/drop database should populate inputs/outputs and check concurrency and user permission - Hive - [issue]
...concurrency and authorization are needed for create/drop table. Also to make concurrency work, it's better to have LOCK/UNLOCK DATABASE and SHOW LOCKS DATABASE...
http://issues.apache.org/jira/browse/HIVE-2093    Author: Namit Jain, 2013-12-13, 03:23
[HIVE-3952] merge map-job followed by map-reduce job - Hive - [issue]
...Consider the query like:select count(*)FROM        ( select idOne, idTwo, value FROM              bigTable     &nbs...
http://issues.apache.org/jira/browse/HIVE-3952    Author: Namit Jain, 2013-10-23, 12:47
[HIVE-4396] Create a efficient method to create a deep copy of a mapredwork - Hive - [issue]
...In many optimization steps, we create a copy of the query plan and then change some parts of it.Currently, the only reliable way to do so is to serialize and deserialize it, which is fairly ...
http://issues.apache.org/jira/browse/HIVE-4396    Author: Namit Jain, 2013-09-27, 06:02
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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