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[HIVE-6289] StatsOptimizer may benefit from fetching stats for multiple columns at once - Hive - [issue]
...After HIVE-6157, StatsOptimizer would retrieve partition column stats in bulk for all requisite partitions, but it would still retrieve stats for each column individually as it does the opti...
http://issues.apache.org/jira/browse/HIVE-6289    Author: Sergey Shelukhin, 2014-01-23, 19:19
[HIVE-6265] dedup Metastore data structures or at least protocol - Hive - [issue]
...Metastore currently stores SD per partition, and column schema/serde/... per SD.Most of the time all the partitions have the same setup in a table, the only different things in SD/CD/... bei...
http://issues.apache.org/jira/browse/HIVE-6265    Author: Sergey Shelukhin, 2014-01-22, 22:49
[HIVE-6193] change partition pruning request to metastore to use list instead of set - Hive - [issue]
...Change partition pruning request to metastore to use list instead of set.Set is unwieldy w.r.t. compat, better get rid of it before API in this form was ever shipped....
http://issues.apache.org/jira/browse/HIVE-6193    Author: Sergey Shelukhin, 2014-01-18, 17:19
[HIVE-5951] improve performance of adding partitions from client - Hive - [issue]
...Adding partitions to metastore is currently very inefficient. There are small things like, for !ifNotExists case, DDLSemanticAnalyzer gets the full partition object for every spec (which is ...
http://issues.apache.org/jira/browse/HIVE-5951    Author: Sergey Shelukhin, 2014-01-16, 22:02
[HIVE-5483] use metastore statistics to optimize max/min/etc. queries - Hive - [issue]
...We have discussed this a little bit.Hive can answer queries such as select max(c1) from t purely from metastore using partition statistics, provided that we know the statistics are up to dat...
http://issues.apache.org/jira/browse/HIVE-5483    Author: Sergey Shelukhin, 2014-01-13, 21:35
[HIVE-6190] redundant columns in metastore schema for stats - Hive - [issue]
...package.jdo has:      <field name ="dbName">        <column name="DB_NAME" length="128" jdbc-type="VARCHAR" allows-null="false"/>&nbs...
http://issues.apache.org/jira/browse/HIVE-6190    Author: Sergey Shelukhin, 2014-01-13, 19:42
[HIVE-5679] add date support to metastore JDO/SQL - Hive - [issue]
...Metastore supports strings and integral types in filters.It could also support dates....
http://issues.apache.org/jira/browse/HIVE-5679    Author: Sergey Shelukhin, 2014-01-13, 16:10
Re: [ANNOUNCE] New Hive Committer - Vikram Dixit - Hive - [mail # user]
...Congrats Vikram!   On Mon, Jan 6, 2014 at 8:58 AM, Carl Steinbach  wrote:   CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to ...
   Author: Sergey Shelukhin, 2014-01-06, 17:02
[HIVE-6010] create a test that would ensure vectorization produces same results as non-vectorized execution - Hive - [issue]
...So as to ensure that vectorization is not forgotten when changes are made to things. Obviously it would not be viable to have a bulletproof test, but at least a subset of operations can be v...
http://issues.apache.org/jira/browse/HIVE-6010    Author: Sergey Shelukhin, 2014-01-03, 00:58
Re: [DISCUSS] Proposed Changes to the Apache Hive Project Bylaws - Hive - [mail # user]
...I actually have a patch out on a jira that says it will be committed in 24 hours from long ago ;)  Is 24h rule is needed at all? In other projects, I've seen patches simply reverted by ...
   Author: Sergey Shelukhin, 2013-12-27, 22:28
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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