i am new to hadoop map reduce framework, and I am thinking of using hadoop map reduce to parse my data. I have thousands of big delimited files for which I am thinking of writing a map reduce job to p
Have been reading up on Hadoop and HBase lately, and came across this term- HBase is an open-source, distributed, sparse, column-oriented store...
After install hadoop, hive (CDH version) I execute ./sqoop import -connect jdbc:mysql://10.164.11.204/server -username root -password password -table user -hive-import --hive-home /opt/hive/
I am using Hadoop to process text messages(SMS). but I am not sure of the best way to pre-process these data so that I can do an efficient search. for example, after preprocess开发者_运维技巧ing the d
Is there a way开发者_JS百科 to generate permutations with MapReduce? input file: 1title1 2title2 3title3
I\'m trying to build a Hadoop development environment on my Windows XP 32bit environment. When I try to run one of the utilities I get an error message (see 开发者_运维技巧screenshot below). I\'m pr
I am trying to implement cross join using hadoop in java. Both sides of the join are large enough that I can\'t keep any of them in memory. I have tried several things and although I realize that PIG/
I have a Pig job which analyzes log files and write summary output to S3. Instead of writing the output to S3, I want to convert it to a JSON payload and POST it to a URL.
I am working on a HBase map reduce job and need to understand if the columns in a single column family are returned sorted by their names (key). If so, I wouldnt n开发者_如何学运维eed to do it in the
开发者_运维知识库I know du -sh in common Linux filesystems. But how to do that with HDFS?Prior to 0.20.203, and officially deprecated in 2.6.0:
加载中,请稍侯......