| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | Re: [Xen-users] Use hard drive as physical mem for xen vm |
| From: | Ernst Bachmann <e.bachmann@xxxxxxxx> |
| Date: | 2005年11月11日 14:59:59 +0100 |
| Delivery-date: | 2005年11月11日 14:00:10 +0000 |
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On Friday 11 November 2005 14:51, Oliver Neumann [New Identity AG] wrote: > Hi all, > > I've got a machine that should serve 2 XenUs as mysql cluster nodes with > realy big memory consumption. As mysql cluster will need approx. 4GB memory > on each XenU, I wondered if I could use hard disc space as memory for the > XenU that appears as real physical memory within the VM. Swap is no > alternative as mysql cluster nodes check the physical memory and if that is > not enough, they will not work. > > How can I do that? Invest a few extra € and put 8Gigs of ram in that server? Reconfigure the mysql instances to run with just 2GB? Seriously, mysql wants physical ram there for a reason, if that memory is swapped, it would be faster for mysql to just read the blocks from its db files. /Ernst _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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