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[HIVE-11281] Memoize toStringTree() for ASTNode - Hive - [issue]
...Currently it defaults to BaseTree::toStringTree() which always computes it recursively. For very large trees it becomes expensive. On one particular test query compilation time went down fro...
http://issues.apache.org/jira/browse/HIVE-11281    Author: Ashutosh Chauhan, 2015-07-29, 23:53
[HIVE-10328] Enable new return path for cbo - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-10328    Author: Ashutosh Chauhan, 2015-07-28, 07:38
[HIVE-11291] Avoid allocation storm while doing rule matching on operator/expression trees - Hive - [issue]
...RuleRegExMatch repeatedly allocates string while trying to find a matching pattern. This results in huge GC churn for large trees....
http://issues.apache.org/jira/browse/HIVE-11291    Author: Ashutosh Chauhan, 2015-07-21, 23:56
[HIVE-11284] Fix cbo_rp_join0 failure on master - Hive - [issue]
...It first failed in this build : http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/4621/...
http://issues.apache.org/jira/browse/HIVE-11284    Author: Ashutosh Chauhan, 2015-07-18, 11:15
[HIVE-8470] Orc writer cant handle column of type void - Hive - [issue]
...e.g,insert into table t1 select null from src;...
http://issues.apache.org/jira/browse/HIVE-8470    Author: Ashutosh Chauhan, 2015-07-16, 00:46
[expand - 1 more] - Re: [Discuss] Patch submission and commit format - Hive - [mail # dev]
...@Lefty : Nothing happens if someone doesn't follow convention. I don't knowif this can be enforced automatically.@Sergey : I don't know enough git to answer that. If someone can make thisenf...
   Author: Ashutosh Chauhan, 2015-07-13, 17:27
[HIVE-11197] While extracting join conditions follow Hive rules for type conversion instead of Calcite - Hive - [issue]
...Calcite strict type system throws exception in those cases, which are legal in Hive....
http://issues.apache.org/jira/browse/HIVE-11197    Author: Ashutosh Chauhan, 2015-07-10, 16:50
[HIVE-8979] Merge shims/common-secure into shims/common - Hive - [issue]
...After HIVE-8828 there is no reason to keep both. HIVE-8828 already migrated many of classes from common-secure into common. We should move rest as well and delete common-secure....
http://issues.apache.org/jira/browse/HIVE-8979    Author: Ashutosh Chauhan, 2015-07-10, 06:55
[HIVE-11202] Update golden files on master - Hive - [issue]
...Few golden files updates missed in HIVE-11171...
http://issues.apache.org/jira/browse/HIVE-11202    Author: Ashutosh Chauhan, 2015-07-08, 16:37
[HIVE-11104] Select operator doesn't propagate constants appearing in expressions - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-11104    Author: Ashutosh Chauhan, 2015-07-07, 21:02
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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