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[HIVE-609] optimize multi-group by - Hive - [issue]
...For query like:from srcinsert overwrite table dest1 select col1, count(distinct colx) group by col1insert overwrite table dest2 select col2, count(distinct colx) group by col2;If map side ag...
http://issues.apache.org/jira/browse/HIVE-609    Author: Namit Jain, 2012-11-21, 04:45
[HIVE-3432] perform a map-only group by if grouping key matches the sorting properties of the table - Hive - [issue]
...There should be an option to use bucketizedinputformat and use map-only group by. There would be no need to perform a map-side aggregation....
http://issues.apache.org/jira/browse/HIVE-3432    Author: Namit Jain, 2012-11-20, 02:09
Re: Top-K optimization - Hive - [mail # dev]
...Hi Siva,   Take a look at https://issues.apache.org/jira/browse/HIVE-3562.  It is in my todo list, but I have not been able to review this.  I think, this addresses a very sim...
   Author: Namit Jain, 2012-11-19, 09:46
[HIVE-1865] redo zookeeper hive lock manager - Hive - [issue]
...Instead of creating a flat hierarchy, create a hierarchy /database/table/partition1/partition2specifically to speed up show locks <T>...
http://issues.apache.org/jira/browse/HIVE-1865    Author: Namit Jain, 2012-11-14, 00:43
[HIVE-2795] View partitions do not have a storage descriptor - Hive - [issue]
...Besides being an inconsistency, it causes errors.Calling describe formatted on a view partition throws an exceptionjava.lang.NullPointerException  at org.apache.hadoop.hive.ql.meta...
http://issues.apache.org/jira/browse/HIVE-2795    Author: Namit Jain, 2012-11-09, 23:37
[HIVE-3681] Compile errors after HIVE-1362 - Hive - [issue]
...Compile errors after HIVE-1362...
http://issues.apache.org/jira/browse/HIVE-3681    Author: Namit Jain, 2012-11-09, 09:22
[HIVE-3654] block relative path access in hive - Hive - [issue]
...metadata only optimizer uses relative paths...
http://issues.apache.org/jira/browse/HIVE-3654    Author: Namit Jain, 2012-11-09, 01:27
Re: hive 0.10 release - Hive - [mail # dev]
...+1 to the idea  On 11/8/12 6:33 AM, "Edward Capriolo"  wrote:  ...
   Author: Namit Jain, 2012-11-08, 03:58
[HIVE-3657] errors in testParse due to HIVE-3570 - Hive - [issue]
...For some reason, I missed the test failures before committing.My bad, updating the new test files....
http://issues.apache.org/jira/browse/HIVE-3657    Author: Namit Jain, 2012-11-06, 21:05
Re: number of buckets in bucket map join - Hive - [mail # dev]
...The number of mappers is the greater common factor for all the tables. So, it it is not a multiple, a single mapper will be assigned.   On 11/1/12 5:20 AM, "Mahsa Mofidpoor"  wrote...
   Author: Namit Jain, 2012-11-01, 03:47
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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