On Wednesday, December 01, 2010, Karanbir Singh wrote: [snip] > However, if its blockdev -> domU (eg. a logical vol, or a physical disk > ) you wont get any filesystem level caching on the host, but there might > still be an opportunity to run with seriously high device buffers ( if > you so desire and trust your setup! ).
Yes I'm running all guest storage on logical volumes on local scsi. I guess this means that I should leave the guest buffer and cache alone, since in general it makes sense to have them as close as possible to the workload. > Are you sure it was a Xen based VPS ? Seeds of doubt have been planted. I'm relatively certain that it was Xen and they were just being scummy so they could shove more VMs into the same host while appearing to be fair with memory allocation. > I know this does not directly answer your question, but hopefully gets > you going in the right direction. On the contrary, this has been very helpful, thanks Karanbir. -Taj. _______________________________________________ Ilugd mailing list Ilugd@lists.linux-delhi.org http://frodo.hserus.net/mailman/listinfo/ilugd
