We like to keep things simple here at Rapleaf. One small tweak we made right after we installed hadoop was to alias 'hadoop dfs' to 'hdfs'. It rolls off the fingers nicely. We are also constantly typing 'hdfs -ls this' or 'hdfs -du that'. If we are not sure what this/that is, we type 'hdfs -ls /this/what', then 'hdfs -ls /this/what/ever', followed by a copy and paste or two. Thanks to our recent H
Overview and Introduction bash is a shell, a.k.a. command language interpreter for modern computers. It is Bourne shell (sh) compatible and incorporates useful features from the Korn shell (ksh) and C shell (csh). It conforms to the IEEE POSIX P1003.2/ISO 9945.2 Shell and Tools standard. Some of bash's features are, in no particular order: editing and completion; history and command re-entry; job
In our continuing research into the emerging field of data science, we are interviewing experts who are leading the charge and delivering exciting innovations for business using this new set of skills. (See "Growing Your Own Data Scientists" on CITOResearch.com for links to other articles in this series and more about my research direction in this area.) Daniel Tunkelang is the principal data scie
We’re really excited to announce the open-source debut of a cool piece of Rapleaf’s internal infrastructure, a distributed database project we call Hank. Our use case is very particular: we have tons of data that needs to get processed, producing a lot of data points for individual people, which then need to be made randomly accessible so they can be served through our API. You can think of it as
In an era where artificial intelligence (AI) is reshaping enterprises across the globe—be it in healthcare, finance, or manufacturing—it’s hard to overstate the transformation that AI has had on businesses, regardless of industry or size. At Cloudera, we recognize the urgent need for bold steps to harness this potential and dramatically accelerate the time to […] Read blog post
The subset sum problem (SSP) is a decision problem in computer science. In its most general formulation, there is a multiset of integers and a target-sum , and the question is to decide whether any subset of the integers sum to precisely .[1] The problem is known to be NP-complete. Moreover, some restricted variants of it are NP-complete too, for example:[1] The variant in which all inputs are pos
HIPI is an image processing library designed to be used with the Apache Hadoop MapReduce parallel programming framework. HIPI facilitates efficient and high-throughput image processing with MapReduce style parallel programs typically executed on a cluster. It provides a solution for how to store a large collection of images on the Hadoop Distributed File System (HDFS) and make them available for e
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