[Xen-bugs] [Bug 992] New: Disk I/O performance of IA32-pae HVM guest is very slow

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=992

           Summary: Disk I/O performance of IA32-pae HVM guest is very slow
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: yunfeng.zhao@xxxxxxxxx


Disk I/O performace of IA32-pae HVM guest is slow.
It's only about half the performance of before.
The execution time of our testing has been doubled because the perf regression.


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