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[Xen-users] write through or write back?
| To: | xen-users <xen-users@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-users] write through or write back? |
| From: | Lei Lu <lulei.wm@xxxxxxxxx> |
| Date: | Mon, 22 Nov 2010 12:18:13 -0500 |
| Delivery-date: | Mon, 22 Nov 2010 09:21:16 -0800 |
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Hi everyone, Can anybody clarify about what disk cache mechanism the current Xen hypervisor use? is it write through or write back? Is there a way to change between this two modes? As far as I know, the original linux kernel implements the disk cache as page cache and the flusher thread may periodically flush the dirty pages to the disk. Does Xen still use this strategy by default or not? Thank you in advance, Lei _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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