Memory bandwidth measured with the STREAM benchmark show a significant regression in CentOS 6.5 (kernel 2.6.32-431.3.1.el6.x86_64) as compared to CentOS 6.4 (kernel 2.6.32-358.23.2.el6.x86_64).<br />
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Affected systems:<br />
HP ProLiant DL380p Gen8, dual socket, Intel Sandy Bridge E5-2660, 128G RAM.<br />
HP ProLiant SL230s Gen8, dual socket, Intel Sandy Bridge E5-2660, 32G RAM.<br />
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Not affected systems:<br />
HP ProLiant DL140G3, dual socket, Intel Clovertown E5345, 16G RAM. (non-NUMA)
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