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CentOS 6.5 vs. CentOS 7.0 NAS Performance Comparison

RedHat Enterprise Linux is an enterprise-grade Linux distribution, which is frequently used in corporate data centers as an operating system for NAS storage devices. From the performance point of view, the new Linux kernel and the new default file system may have a significant impact on a NAS storage device and therefore it is very important to understand how the newly released RedHat Enterprise Linux version 7.0 compares to the last stable version 6.5.

The tests show that the newly released version of RedHat Enterprise Linux significantly improves the performance of all types of file read operations, disk space analysis operations and duplicate files search operations. On the other hand, random file write operations, especially for large numbers of small files, and file delete operations are slower than in the last stable version of RedHat Enterprise Linux 6.5.

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