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[HIVE-9419] LLAP: ORC decoding of row-groups - Hive - [issue]
...ORC should decode row-groups sent up by encoded data producer, and make VRBs...
http://issues.apache.org/jira/browse/HIVE-9419    Author: Sergey Shelukhin, 2015-01-20, 19:34
[HIVE-9420] LLAP: decide on initial threading structure for low-level parts - Hive - [issue]
...Right now reader is a callable that is dumped into threadpool, and all the data loading for one request happens on one thread (in parallel with operator pipeline).We might want to separate r...
http://issues.apache.org/jira/browse/HIVE-9420    Author: Sergey Shelukhin, 2015-01-20, 19:34
[HIVE-9269] LLAP: introduce low-level cache for ORC - Hive - [issue]
...There are two distinct options for caching encoded data in row-columnar format - caching logical chunks (e.g. for ORC stripe x column, or rg x column), or caching physical chunks (e.g. for O...
http://issues.apache.org/jira/browse/HIVE-9269    Author: Sergey Shelukhin, 2015-01-17, 02:06
[HIVE-9331] get rid of pre-optimized-hashtable memory optimizations - Hive - [issue]
...These were added in 13 because optimized hashtable couldn't make it in; they reduced memory usage by some amount (10-25%), and informed the design of the optimized hashtable, but now extra s...
http://issues.apache.org/jira/browse/HIVE-9331    Author: Sergey Shelukhin, 2015-01-16, 08:33
[HIVE-7926] long-lived daemons for query fragment execution, I/O and caching - Hive - [issue]
...We are proposing a new execution model for Hive that is a combination of existing process-based tasks and long-lived daemons running on worker nodes. These nodes can take care of efficient I...
http://issues.apache.org/jira/browse/HIVE-7926    Author: Sergey Shelukhin, 2015-01-07, 08:30
[HIVE-9270] LLAP: improve high-level cache from prototype - Hive - [issue]
...Cache in the prototype has number of limitations.1) Having 16-32-..Mb chunks with many logical units of caching can result in undesirable priority phenomena. Priority tracking is needed for ...
http://issues.apache.org/jira/browse/HIVE-9270    Author: Sergey Shelukhin, 2015-01-06, 21:30
[HIVE-9268] LLAP: refactor prototype code to salvage some parts - Hive - [issue]
...After looking at prototype in discussion, there were some changes, such as hiding I/O layer in the service itself rather than exposing it directly (inputformat is too inflexible as an interf...
http://issues.apache.org/jira/browse/HIVE-9268    Author: Sergey Shelukhin, 2015-01-06, 21:00
[expand - 1 more] - Re: pre-commit test scripts - Hive - [mail # dev]
...Sorry, this fell thru the cracks.What I meant is not ignoring test time conflicts, but ignoring conflictswhen applying the patch.So, if out files conflict, it will just ignore conflicts, res...
   Author: Sergey Shelukhin, 2015-01-06, 00:44
[HIVE-8395] CBO: enable by default - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-8395    Author: Sergey Shelukhin, 2014-12-19, 12:04
[HIVE-9162] stats19 test is environment-dependant - Hive - [issue]
...This is a very annoying test...
http://issues.apache.org/jira/browse/HIVE-9162    Author: Sergey Shelukhin, 2014-12-19, 00:49
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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