Hadoop
hadoop split file in equally size
Im trying to learn diving a file stored in hdfs into splits and reading it to different process (on different machines.)[详细]
2023-04-10 20:50 分类：问答Using encryption with Hadoop
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[详细]
2023-04-10 20:32 分类：问答MapReduceBase and Mapper deprecated
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.[详细]
2023-04-10 16:31 分类：问答Building hadoop using maven
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.[详细]
2023-04-10 12:09 分类：问答Fastest access of a file using Hadoop
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.[详细]
2023-04-10 10:49 分类：问答Building hadoop using ant
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?[详细]
2023-04-10 01:46 分类：问答Python Streaming : how to reduce to multiple outputs?(its possible with Java though)
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[详细]
2023-04-10 01:08 分类：问答Hbase regionservers
We have installed hadoop cluster. We want to use HBase over it. My hbase-site.xml is below <property>[详细]
2023-04-09 22:42 分类：问答Is there any loss of functionality with streaming jobs in hbase/hadoop versus using java?
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[详细]
2023-04-09 16:56 分类：问答Running java hadoop job on local/remote cluster
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:[详细]
2023-04-09 09:01 分类：问答
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