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[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, 2015-02-27, 21:48
[HIVE-9758] LLAP: fix wrapinputformat for client/server; fix server init to use config - Hive - [issue]
...1) Null check right now prevents NPE when split generation tries to wrap input format and IO is not initialized.There should be a flag visible via interface somewhere that will allow us to c...
http://issues.apache.org/jira/browse/HIVE-9758    Author: Sergey Shelukhin, 2015-02-27, 19:05
[HIVE-9509] Restore partition spec validation removed by HIVE-9445 - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-9509    Author: Sergey Shelukhin, 2015-02-27, 18:46
[HIVE-9805] LLAP: consider specialized "transient" metadata cache - Hive - [issue]
...Due to the nature of cache now (metadata cache + disk cache), when data is read from ORC, whole bunch of processing is still done with metadata, columns, streams, contexts, offsets, etc. to ...
http://issues.apache.org/jira/browse/HIVE-9805    Author: Sergey Shelukhin, 2015-02-27, 01:34
[HIVE-9799] LLAP: config not passed to daemon init - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-9799    Author: Sergey Shelukhin, 2015-02-26, 20:51
Re: [ANNOUNCE] New Hive PMC Member - Sergey Shelukhin - Hive - [mail # dev]
...Thanks guys!On 15/2/25, 16:02, "Xiaobing Zhou"  wrote: ...
   Author: Sergey Shelukhin, 2015-02-26, 00:20
[HIVE-9789] Hybrid Hybrid Grace Hash Join: improve hashtable serialization - Hive - [issue]
...See HIVE-9676...
http://issues.apache.org/jira/browse/HIVE-9789    Author: Sergey Shelukhin, 2015-02-25, 20:39
[HIVE-9790] Hybrid Hybrid Grace Hash Join: improve side file serialization - Hive - [issue]
...We have discussed it in the past; the current method is very wasteful, if serializes helper object for each row (so there's expensive serialization and also bunch of unneeded stuff serialize...
http://issues.apache.org/jira/browse/HIVE-9790    Author: Sergey Shelukhin, 2015-02-25, 20:39
[HIVE-9555] assorted ORC refactorings for LLAP on trunk - Hive - [issue]
...To minimize conflicts and given that ORC is being developed rapidly on trunk, I would like to refactor some parts of ORC "in advance" based on the changes in LLAP branch. Mostly it concerns ...
http://issues.apache.org/jira/browse/HIVE-9555    Author: Sergey Shelukhin, 2015-02-25, 03:54
[HIVE-9730] make sure logging is never called when not needed in perf-sensitive places - Hive - [issue]
...log4j logging has really inefficient serialization...
http://issues.apache.org/jira/browse/HIVE-9730    Author: Sergey Shelukhin, 2015-02-24, 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