Im trying to learn diving a file stored in hdfs into splits and reading it to different process (on different machines.)
The Cloudera documentation says that Hadoop does not support on disk encryption.Would it be possible to use hardware encrypted hard drives wit开发者_StackOverflow社区h Hadoop?eCryptfs can be used to d
public static class Map extends MapReduceBase i开发者_开发技巧mplements Mapper MapReduceBase, Mapper and JobConf are deprecated in Hadoop 0.20.203.
I tried to build hadoop mapreduce project with maven, but it always stuck in following error, I already perform predefined installation for yarn i.e. Protobuf installation.
I need fastest access to a single file, several copies of which are stored in many systems using Hadoop. I also need to finding the ping t开发者_高级运维ime for each file in a sorted manner.
I tried to build hadoop-mapreduce-project using ant.I tried with maven it suceeded but i need to build it with ant. OR is their any alternative of \"ant compile-mapred-test\" in maven build?
I read Hadoop in Action and found that in Java using MultipleOutputFormat and MultipleOutputs classes we can reduce the data to multiple files but what I am not sure is how to achieve the same thing u
We have installed hadoop cluster. We want to use HBase over it. My hbase-site.xml is below <property>
Sorry in advance if this is a basic question. I\'m reading a book on hbase and learing but most of the examples in the book(and well as online) tend to be using Java(I guess because hbase is native to
I\'m trying to run hadoop job on local/remote cluster. This job in future will be executed from web application. I\'m trying to execute this piece of code from eclipse:
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