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. 2014 Jun 24;15:214. doi: 10.1186/1471-2105-15-214

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Copyright © 2014 Arend et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Performance benchmark. Performance tests for local embedded (left) and server-client architecture (right). We used data sets with 10,000 files in 100 folders, but with different file sizes (0.1, 0.5, and 1.0 MB). The left y-axis shows the time required to store all of the objects and read them again to a new directory. The right y-axis shows the performance of the index-based search. Using the read/store test set, we sent queries, which gave exactly 10 results each. All tests were executed on a Linux system with a six-core AMD Phenom II X6 1055T Processor at 2.8 GHz and 64 MB heap space for the JAVA virtual machine. The system had a 1-GB ethernet connection and a SATA hard disk (7200 Rpm).