i want to implement hive+hadoop map reduce program on my aplication, i still wondering,because i have try many times about query and finding information about map reduce program in hive..开发者_开发知
Can I use t开发者_如何学Che Lua programming language for Hadoop? If so, how?Absolutely :) You can use Hadoop streaming like this:
I am studying various distributed file systems. Does IBM General Parallel File开发者_如何学C System(GPFS) support Map/Reduce jobs on its own? Without using 3rd party software(like Hadoop Map/reduce)
I know it\'s my OCD, but I can\'t stand to have a deprecated reference in my code. That said, the Hadoop tutorials, including the \"The Definitive Guide\" book, uses only deprecated classes JobConf a
I receive an iterator as argument and I would like to iterate on values twice. public void reduce(Pair<String,String> key, Iterator<IntWritable> values,
Is there any support for Multidimensio开发者_如何学Cnal Expressions (MDX) for Hadoop\'s Hive ?Connecting an OLAP solution with Hadoop\'s data is possible. In icCube it\'s possible to create your own d
Is there any way to kill a Hadoop job itself or send a signal to kill it. I\'ve read the Configuration settings from jobConf where it says that if a user specify the wrong settings I need to kill the
Is there a way to specify multiple input files for a hadoop job? I\'ve tried separation using \',\' but that didnt\' work...any other suggestions?
I have a setup on a EC2 instance that uses Whirr to spin up new hadoop instances. I have been trying to get Hive开发者_如何学JAVA to work with this setup. Hive should be configured to use mysql as the
This question has a great answer for detecting cycles in a d开发者_JAVA技巧irected graph.Unfortunately, it does not seem easy to make a Map Reduce version of it.
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