Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Building and Installing a Hadoop/MapReduce Cluster from Commodity
  Components   This tutorial presents a recipe for the construction of a compute cluster for
processing large volumes of data, using cheap, easily available personal
computer hardware (Intel/AMD based PCs) and freely available open source
software (Ubuntu Linux, Apache Hadoop).

8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
18
The categories of this paper are: econ
29
The categories of this paper are: funct-an
26
The categories of this paper are: bayes-an
5
The categories of this paper are: gr-qc
6
The categories of this paper are: astro-ph
0
The categories of this paper are: hep-ph
28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
25
The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
7
The categories of this paper are: hep-th