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Old 18th February 2013
J65nko J65nko is offline
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Default QEMU 1.4.0 boosts large storage device performance

From http://h-online.com/-1804971

Quote:
The latest version, 1.4.0, of the open source QEMU emulator and virtualiser has been released and brings with it a new experimental threaded backend to manage direct PCI IO. This new backend is regarded as the highlight of the new release as, in testing, it managed to give a 900% increase in IO performance for a single KVM guest, from 150,000 IOPS (IO operations per second) to 1.33 million IOPS.
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