We currently have some data on an HDFS cluster on which we generate reports using Hive. The infrastructure is in the process of being decommissioned and we are left with the task of coming up with an
I have a text file containing json records I would like to load to Hive. My json looks like: {\"vr\":1,\"tm\":1312816191516,\"tms\":\"08-08-2011 15:09:51.516 GMT\",\"as\":1002,\"pb\":1102,\"cts\":[12
When you join tables which are distributed on the same key and used these key columns in the join condition, then each SPU (machine) in netezza works 100% independent of the other (see nz-interview).
2 basic questions that trouble me: How can I be sure that each of the 32 files hive uses to store my tables sits on its unique machine?
I bit confuse with Hadoop hive which i read from Wiki used for make OLAP. Now i want to make OLAP on Hive from OLTP database which use Mysql开发者_如何转开发.
How to register a UDF开发者_StackOverflow by using HUE API? I am using below code but it\'s unable to register it.
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In summary: I feel that my system is ignoring the concept of pre-sorted tables. - I expected to save time on the sorting step because I was using
I have a solution that can be parallelized, but I don\'t (yet) have experience with hadoop/nosql, and I\'m not sure which solution is best for my needs.In theory, if I had unlimited CPUs, my results s
I want to sort a big dataset efficiently (i.e. with a custom partitioner, like described here: How does the MapReduce sort algorithm work?)开发者_开发技巧, but I want to do it with hive.
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