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[HIVE-8435] Add identity project remover optimization - Hive - [issue]
...In some cases there is an identity project in plan which is useless. Better to optimize it away to avoid evaluating it without any benefit at runtime....
http://issues.apache.org/jira/browse/HIVE-8435    Author: Ashutosh Chauhan, 2014-12-24, 21:26
[HIVE-9189] Add ProjectRemove, ProjectMerge & ProjectMultiJoinMerge rules on CBO path - Hive - [issue]
...When these rules fire we will get shorter and tighter operator pipeline....
http://issues.apache.org/jira/browse/HIVE-9189    Author: Ashutosh Chauhan, 2014-12-24, 07:22
[HIVE-2912] HiveServer shouldn't initialize HiveMetaStore if Metastore is remote. - Hive - [issue]
...Currently it always initializes MetaStore in-process....
http://issues.apache.org/jira/browse/HIVE-2912    Author: Ashutosh Chauhan, 2014-12-24, 01:36
[HIVE-3383] MinimrCliDriver test hangs when run on 20S (aka 1.0) hadoop profile - Hive - [issue]
...I ran  ant clean package test -Dtestcase=TestMinimrCliDriver -Dhadoop.mr.rev=20SThis hangs after printing following on console:test:    [junit] WARNING: org.apache.hadoop...
http://issues.apache.org/jira/browse/HIVE-3383    Author: Ashutosh Chauhan, 2014-12-24, 01:32
[HIVE-9140] Add ReduceExpressionRules from Calcite into Hive - Hive - [issue]
...These rules provide a form of constant folding....
http://issues.apache.org/jira/browse/HIVE-9140    Author: Ashutosh Chauhan, 2014-12-24, 01:24
[HIVE-5338] TestJdbcDriver2 is failing on trunk. - Hive - [issue]
...Seems to be related to yesterday's HIVE-5209 commit...
http://issues.apache.org/jira/browse/HIVE-5338    Author: Ashutosh Chauhan, 2014-12-24, 00:33
[HIVE-5339] TestJdbcDriver2 is failing on trunk. - Hive - [issue]
...Seems to be related to yesterday's HIVE-5209 commit...
http://issues.apache.org/jira/browse/HIVE-5339    Author: Ashutosh Chauhan, 2014-12-24, 00:32
[HIVE-2173] Alter table recover partitions - Hive - [issue]
...From mailing list thread: http://mail-archives.apache.org/mod_mbox/hive-user/201105.mbox/%[EMAIL PROTECTED]%3E...
http://issues.apache.org/jira/browse/HIVE-2173    Author: Ashutosh Chauhan, 2014-12-23, 19:51
[HIVE-8298] Incorrect results for n-way join when join expressions are not in same order across joins - Hive - [issue]
...select *  from srcpart a join srcpart b on a.key = b.key and a.hr = b.hr join srcpart c on a.hr = c.hr and a.key = c.key;is minimal query which reproduces it...
http://issues.apache.org/jira/browse/HIVE-8298    Author: Ashutosh Chauhan, 2014-12-18, 13:55
[HIVE-9137] Turn off Hive's PredicateTransitivePropagate optimizer when cbo is on - Hive - [issue]
...Because Calcite contains rule called JoinPushTransitivePredicatesRule which does exactly this. So, if cbo is on, this optimization would have already taken place and we won't gain anything b...
http://issues.apache.org/jira/browse/HIVE-9137    Author: Ashutosh Chauhan, 2014-12-17, 10:02
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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