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[expand - 1 more] - Re: Best table storage for analytical use case - Hive - [mail # user]
...Hi Dean,  Indeed, switching from RCFiles to SequenceFiles yield a query duration down 35% (82secs down to 53secs) ! I added Snappy/Gzip block compression altogether. Things are getting ...
   Author: Sékine Coulibaly, 2013-03-06, 15:44
Re: Hive insert into RCFILE issue with timestamp columns - Hive - [mail # user]
...Prasad,  Isn't the fractional part of the TIMESTAMP type supposed to be optional, as per the error message :  Failed with exception java.io.IOException:java.lang.IllegalArgumentExc...
   Author: Sékine Coulibaly, 2013-03-06, 09:58
Unable to issue count(*) query versus movielens data - Hive - [mail # user]
...Hi there,  I loaded data from the movielens database into hive, into a u_data table. I wish I could count the total number of rows in that table. Although mapreduce task starts, it ends...
   Author: Sékine Coulibaly, 2012-12-16, 21:36
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