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TestParse unexpected behavior - Hive - [mail # dev]
...Hello everyoneI am trying to fix TestParse qfile test failures related to HIVE-6455. I am noticing some unexpected behavior in trunk when I run the following commandsAll tests pass when I ru...
   Author: Prasanth Jayachandran, 2014-02-24, 22:25
Re: ORC queries inefficient for sorted field - Hive - [mail # user]
...Hi BryanORC indexes are used only for the selection of stripes and row groups and not for answering queries.You can enable hive.compute.query.using.stats flag to answer queries using metadat...
   Author: Prasanth Jayachandran, 2014-02-24, 20:06
Re: Bug - Hive Filer Index & VARCHAR - Hive - [mail # user]
...Hi BryanYes. This is a known issue. Hive-5950 (https://issues.apache.org/jira/browse/HIVE-5950) will address it. It will soon be committed to trunk.ThanksPrasanth JayachandranOn Feb 24, 2014...
   Author: Prasanth Jayachandran, 2014-02-24, 19:31
Execution log for qfile tests - Hive - [mail # dev]
...Hi AllCan some point me to the location of hadoop exec log when I run a particular qfile test?I can see from hive.log that the job failed with following error2014-02-17 16:38:52,774 ERROR ex...
   Author: Prasanth Jayachandran, 2014-02-18, 00:48
[expand - 2 more] - Re: Compiling Hive 0.12.0 - Hive - [mail # user]
...Glad that it helped!HIVE-6382 is waiting on some other ORC related patches. Will get in soon.ThanksPrasanth JayachandranOn Feb 13, 2014, at 8:04 AM, Bryan Jeffrey  wrote:CONFIDENTIALITY...
   Author: Prasanth Jayachandran, 2014-02-13, 18:40
[expand - 3 more] - Re: ORC file question - Hive - [mail # user]
...Great to hear!ThanksPrasanth JayachandranOn Feb 10, 2014, at 2:50 PM, Avrilia Floratou  wrote:CONFIDENTIALITY NOTICENOTICE: This message is intended for the use of the individual or ent...
   Author: Prasanth Jayachandran, 2014-02-10, 22:54
Re: Optimising mappers for number of nodes - Hive - [mail # user]
...Hi hive.max.split.size can be tuned to decrease the number of mappers. Reference: http://www.slideshare.net/ye.mikez/hive-tuning (slide number 38)Also using CombineHiveInputFormat (default i...
   Author: Prasanth Jayachandran, 2014-02-03, 18:59
Re: What are all the factors that go into the number of mappers - ORC - Hive - [mail # user]
...Hi JohnNumber of mappers is equal to the number of splits generated. Following are the factors that go into split generation1) HDFS block size2) Max split sizea split is cut when1) the cumul...
   Author: Prasanth Jayachandran, 2014-02-03, 06:23
Re: Patch available for HIVE-6104 - Hive - [mail # dev]
...For some reason, gmail marked your mail as spam. It might have happened for others too. Can you try sending this mail from other email id? so that it gets noticed by everyone..ThanksPrasanth...
   Author: Prasanth Jayachandran, 2014-01-30, 21:28
Re: [ANNOUNCE] New Hive Committers - Sergey Shelukhin and Jason Dere - Hive - [mail # dev]
...Congrats!! Sergey and Jason..ThanksPrasanth JayachandranOn Jan 27, 2014, at 10:19 AM, Sergey Shelukhin  wrote:> Thanks guys!> > > On Mon, Jan 27, 2014 at 9:24 AM, Jarek Jarc...
   Author: Prasanth Jayachandran, 2014-01-27, 18:21
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