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[HIVE-9878] LLAP: Add executor threadpool metrics - Hive - [issue]
...Executor service used by container runner use named threads. We can collect more per thread metrics like cpu time, user time, system time etc....
http://issues.apache.org/jira/browse/HIVE-9878    Author: Prasanth Jayachandran, 2015-03-06, 09:44
[HIVE-9881] LLAP: Print ASCII art of LLAP during daemon startup - Hive - [issue]
...It's cool to have ASCII art printed during startup....
http://issues.apache.org/jira/browse/HIVE-9881    Author: Prasanth Jayachandran, 2015-03-06, 02:21
[HIVE-9879] LLAP: Fix exception with HDFS getFileInfo - Hive - [issue]
...See HDFS-7895Solution as suggested by Jing Zhao:Use file.toUri().getPath() instead of path.toString()...
http://issues.apache.org/jira/browse/HIVE-9879    Author: Prasanth Jayachandran, 2015-03-06, 00:16
[HIVE-9841] IOException thrown by ORC should include the path of processing file - Hive - [issue]
...Include the filename in the IOException thrown by ORC reader....
http://issues.apache.org/jira/browse/HIVE-9841    Author: Prasanth Jayachandran, 2015-03-05, 10:23
[HIVE-9757] LLAP: Reuse string dictionaries per column per stripe when processing row groups - Hive - [issue]
...Dictionary streams are cached by low level cache. When creating column vectors from streams we create dictionary for every row group that we process. We should add per query cache to cache t...
http://issues.apache.org/jira/browse/HIVE-9757    Author: Prasanth Jayachandran, 2015-03-02, 21:23
[HIVE-9827] LLAP: Make stripe level column readers thread safe - Hive - [issue]
...previousStripeIndex used in OrcColumnVectorProducer is not thread safe as OrcColumnVectorProducer is singleton. Move it to OrcEncodedDataConsumer which is per query object....
http://issues.apache.org/jira/browse/HIVE-9827    Author: Prasanth Jayachandran, 2015-03-02, 19:36
[HIVE-9782] LLAP: InStream creation for every row group is expensive - Hive - [issue]
...Orc column vector producer should not create InStream for every row group it process. It should instead create InStream once and keep updating the buffers....
http://issues.apache.org/jira/browse/HIVE-9782    Author: Prasanth Jayachandran, 2015-02-26, 03:56
Re: [ANNOUNCE] New Hive PMC Member - Sergey Shelukhin - Hive - [mail # dev]
...Congrats Sergey!On Feb 25, 2015, at 1:50 PM, Alexander Pivovarov > wrote:Congrats!On Wed, Feb 25, 2015 at 12:33 PM, Vaibhav Gumashta > wrote:Congrats Sergey!On 2/25/15, 9:06 AM, "Vikra...
   Author: Prasanth Jayachandran, 2015-02-25, 21:57
[HIVE-9643] LLAP: Widen the scope of ORC readers and related classes - Hive - [issue]
...Most of the class in ORC are package private. We need to relax the scope of many of the classes so that it can be accessed from llap module....
http://issues.apache.org/jira/browse/HIVE-9643    Author: Prasanth Jayachandran, 2015-02-24, 02:13
[HIVE-9751] LLAP: Fix issue with reading last row group of string column - Hive - [issue]
...There is an issue with reading last row group of string column. This is mostly likely related to improper seeking into one of the streams....
http://issues.apache.org/jira/browse/HIVE-9751    Author: Prasanth Jayachandran, 2015-02-23, 09:52
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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