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On Tue, Feb 03, 2015 at 01:18:05AM +0000, Li, Chen wrote:
> Sorry, I do forget that.
> 
> Still 2 issues left:
> 
> Issue 1:
> 
>     After enabled hugepage:
> 
>         cat /proc/meminfo |grep -i huge
>             AnonHugePages:   1685504 kB
>             HugePages_Total:    3072
>             HugePages_Free:     3072
>             HugePages_Rsvd:        0
>             HugePages_Surp:        0
>             Hugepagesize:       2048 kB
> 
>         cat /proc/sys/vm/nr_hugepages
>             3072
> 
>         I still get error in compute node even after I change the flavor from m1.medium  to m1.small:

>         2015-02-03 09:03:23.562 TRACE nova.compute.manager [instance: 4220d096-55fe-4d01-89b3-dc937e34c97c]
>  libvirtError: internal error: Unable to find any usable hugetlbfs mount for 2048 KiB

That is saying you have not configured the host to allow use of huge pages - you need the hugetlbfs
filesystem mounted, to provide access to the huge pges of the required size.

>         2015-02-03 09:15:43.921 TRACE nova.compute.manager [instance: 833cfac5-4fac-438b-acff-579b41ee5729]
> libvirtError: internal error: process exited while connecting to monitor: 2015-02-03T01:15:43.331770Z
> qemu-system-x86_64: -object memory-backend-ram,size=2048M,id=ram-node0,host-nodes=0,policy=bind: NUMA node
> binding are not supported by this QEMU

The version of QEMU you have is either too old, or it was built without numa support


Regards,
Daniel
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