[Xen-users] disk performance about half in domU? + question about XenSource

[Johnn Tan <linuxweb@xxxxxxxxx>]

Based on some tests we ran, it seems the biggest performance 
hit you get from running within domU is from disk I/O. We 
did some mysql read and write tests, and for both, our 
performance is about half that compared to native. Has that 
been others' experience?
Is there any way to make this better? We are using physical 
partitions. In contrast, cpu/memory tests appear to be near 
native.

Does buying commercial Xen (XenSource) help in anyway? Do 
they have optimized disk drivers?
johnn

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