Hi guys i am analyzing few things for doing a Proof of concept. I want to convert a Employee payroll database to Nosql. Which is better to use HBASE or Neo4j?
I am trying to use MultipleOutputFormat with hadoop 0.20.1 and it seems they only work with deprecated \'JobConf\' which in turn uses deprecated Mapper and Reducer (org.apache.hadoop.mapred.Reducer) e
How can i use the following Filters in HBASE efficiently by开发者_StackOverflow中文版 PHP? http://svn.apache.org/repos/asf/hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/filter/You can alwa
To effectively utilise map-reduce jobs in Hadoop, i need data to be stored in hadoop\'s sequence file format. However,currently the data is only in flat .txt开发者_开发问答 format.Can anyone suggest a
Hadoop is perfect for storing large data that开发者_StackOverflow中文版 is not accessed in real time and can grow on commodity hardware. Is there an alternative or some system built on top of it that
I\'m trying to install the MS SQL JDBC driver on ubuntu to be used with sqoop for Hadoop. I\'m totally new to java and linux, so I\'m not sure where to extra开发者_开发知识库ct everything to. Just put
Is there any way to limit the number of columns under a particular row in Hbase? I have seen methods to limit rows. I wonder if there is any ways i can limit column fami开发者_StackOverflow社区ly valu
We store our logs in S3, and one of our (Pig) queries would grab three different log types. Each log type is in sets of subdirectories based upon type/date. For instance:
When configuring my hadoop namenode for the first time, I know I need to run bin/hadoop namenode -format
I have a mapper whose output i开发者_如何学运维s mapped to multiple different reducer instances by using my own Partitioner. My partitioner makes sure that a given is sent always to a given reducer in
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