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[HIVE-9130]  vector_partition_diff_num_cols result is not updated after CBO upgrade - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-9130    Author: Sergey Shelukhin, 2014-12-17, 16:10
[HIVE-9057] port HIVE-8295 to 0.13.1 - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-9057    Author: Sergey Shelukhin, 2014-12-12, 22:04
[HIVE-9035] CBO: Disable PPD when functions are non-deterministic (ppd_random.q  - non-deterministic udf rand() pushed above join) - Hive - [issue]
...Not clear if this is a problem. Probably issue is in Optiq if it is, does it know the UDF is non-deterministic? We could disable Optiq for such UDFs if all else fails....
http://issues.apache.org/jira/browse/HIVE-9035    Author: Sergey Shelukhin, 2014-12-12, 19:59
[HIVE-9034] CBO: type change in literal_ints.q - Hive - [issue]
...tinyint changed to int, probably similar issue we had with bigint...
http://issues.apache.org/jira/browse/HIVE-9034    Author: Sergey Shelukhin, 2014-12-12, 00:41
HiveQA is broken - Hive - [mail # dev]
...It looks like all the builds are failing and nothing gets posted to theJIRAs, random example:http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/2040/con...
   Author: Sergey Shelukhin, 2014-12-11, 19:42
[HIVE-9066] temporarily disable CBO for non-deterministic functions - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-9066    Author: Sergey Shelukhin, 2014-12-11, 19:23
[HIVE-8923] HIVE-8512 needs to be fixed also for CBO - Hive - [issue]
...Queries reverted to incorrect results....
http://issues.apache.org/jira/browse/HIVE-8923    Author: Sergey Shelukhin, 2014-12-05, 19:34
[expand - 1 more] - Re: Apache Hive 1.0 ? - Hive - [mail # dev]
...I think 1.0 release in particular should be a relatively stable release,since we go from "beta"(?) stage of 0.x to 1.0.Otherwise, what prevents us from promoting 0.14 to 1.0? 0.14.1 is not d...
   Author: Sergey Shelukhin, 2014-12-04, 13:10
[HIVE-6430] MapJoin hash table has large memory overhead - Hive - [issue]
...Right now, in some queries, I see that storing e.g. 4 ints (2 for key and 2 for row) can take several hundred bytes, which is ridiculous. I am reducing the size of MJKey and MJRowContainer i...
http://issues.apache.org/jira/browse/HIVE-6430    Author: Sergey Shelukhin, 2014-12-04, 01:27
[HIVE-9010] introduce Hive perf configuration utility - Hive - [issue]
...Recently, many major perf features have been added (or are being added) to Hive, such as vectorization, CBO, Tez, Spark, etc.These are off by default, and customers using the Apache distribu...
http://issues.apache.org/jira/browse/HIVE-9010    Author: Sergey Shelukhin, 2014-12-03, 19:36
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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