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[HIVE-4435] Column stats: Distinct value estimator should use hash functions that are pairwise independent - Hive - [issue]
...The current implementation of Flajolet-Martin estimator to estimate the number of distinct values doesn't use hash functions that are pairwise independent. This is problematic because the in...
http://issues.apache.org/jira/browse/HIVE-4435    Author: Shreepadma Venugopalan, 2013-06-07, 07:25
[HIVE-4657] HCatalog checkstyle violation after HIVE-2670 - Hive - [issue]
...After HIVE-2670 was committed, I see the following error,checkstyle:     [echo] hcatalog[checkstyle] Running Checkstyle 5.5 on 416 files[checkstyle] /Users/vshree/work/reposit...
http://issues.apache.org/jira/browse/HIVE-4657    Author: Shreepadma Venugopalan, 2013-06-06, 23:14
[HIVE-4628] HS2 sessionmanager should synchronize the call to insert/remove session objects from session hash map - Hive - [issue]
...HS2 SessionManager maintains a hashmap of active HS2 sessions. However, insert and deletes to this hashmap is not synchronized. A consequence of this is a racing thread could overwrite a val...
http://issues.apache.org/jira/browse/HIVE-4628    Author: Shreepadma Venugopalan, 2013-05-30, 18:30
[HIVE-3720] Expand and standardize authorization in Hive - Hive - [issue]
...The existing implementation of authorization in Hive is not complete. Additionally the existing implementation has security holes. This JIRA is an umbrella JIRA  for a) extending author...
http://issues.apache.org/jira/browse/HIVE-3720    Author: Shreepadma Venugopalan, 2013-05-18, 05:53
[HIVE-4153] Use number of distinct values to decide whether to perform map side aggregation - Hive - [issue]
...Today, Hive decides to perform a map side aggregation by default. If the number of unique keys in the aggregation is small, performing a map side aggregation is beneficial. However, if the n...
http://issues.apache.org/jira/browse/HIVE-4153    Author: Shreepadma Venugopalan, 2013-03-12, 06:28
Re: [ANNOUNCE] Kevin Wilfong elected to Hive PMC - Hive - [mail # user]
...Congrats Kevin!   On Mon, Mar 4, 2013 at 12:43 PM, Kevin Wilfong  wrote:  ...
   Author: Shreepadma Venugopalan, 2013-03-04, 21:16
[HIVE-3886] WARNING: org.apache.hadoop.metrics.jvm.EventCounter is deprecated - Hive - [issue]
...WARNING: org.apache.hadoop.metrics.jvm.EventCounter is deprecated. Please use org.apache.hadoop.log.metrics.EventCounter in all the log4j.properties files....
http://issues.apache.org/jira/browse/HIVE-3886    Author: Shreepadma Venugopalan, 2013-02-27, 09:04
Re: branch for ptf and windowing fuction - Hive - [mail # dev]
...+1. This looks very useful.  Shreepadma   On Fri, Feb 1, 2013 at 11:36 AM, Ashish Thusoo  wrote:  ...
   Author: Shreepadma Venugopalan, 2013-02-01, 23:07
Re: [VOTE] Amend Hive Bylaws + Add HCatalog Submodule - Hive - [mail # user]
...Measure 1: +1 Measure 2: +1  Thanks. Shreepadma   On Tue, Jan 29, 2013 at 1:50 PM, Arvind Prabhakar  wrote:  ...
   Author: Shreepadma Venugopalan, 2013-01-29, 22:57
hive 0.10.0 doc - Hive - [mail # dev]
...All,  Can someone point me to the apache docs for hive 0.10.0?  Thanks. Shreepadma...
   Author: Shreepadma Venugopalan, 2013-01-28, 19:21
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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