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[Xen-users] how to use ballooning in xen for domu
- To: xen-users@xxxxxxxxxxxxx
- From: Javanshir Farzin <j.farzin@xxxxxxxxx>
- Date: Sun, 15 Jul 2012 19:09:34 -0700 (PDT)
- Delivery-date: Mon, 16 Jul 2012 02:11:22 +0000
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You may read about ballooning in VMware. A document is here
http://www.vmware.com/files/pdf/perf-vsphere-memory_management.pdf
I use XEN 4.1.2 and build domain-0 and a virtual machine in HVM mode both with kernel 3.0.23. When I boot the VM with "xm create.... " at the terminal. I see in xend.log messages about ballooning and some free pages reclaim by XEN. I think these pages belong to
domain-0 because message is "Balloon: setting dom0 target to 1857 MiB." .
Has anyone ever used the ballooning to free unused pages in XEN's Domain U HVM ?
How can call ballooning while Domain-U HVM is running to reclaim its free pages to XEN.
Any guidance will useful.
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