These are great options! Thanks :) Sent from my iPhone
On 20/01/2012, at 14:52, Eric Windisch <[email protected]> wrote: > > On Thursday, January 19, 2012 at 12:52 PM, Jorge Luiz Correa wrote: > >> I would like to know if it's possible to configure quota in each >> nova-compute node. For example, I set up a new hardware with 8 GB of memory >> and install the nova-compute, but I wish only 4 GB of memory are used >> (dedicated to nova-compute). Is it possible? If so, how can I configure that? >> >> I've seen quotas in projects, configured using nova-manage command line >> tool. But it isn't what I'm looking for. >> > In Essex, you can use 'reserved_host_memory_mb' with the ZoneManager to > reserve a certain amount of memory per host. > > If you're on Diablo, Joe Gordon made a pluggable scheduler based on the > SimpleScheduler to do the same: > https://github.com/cloudscaling/cs-nova-simplescheduler > The relevent key here would be 'cs_host_reserved_memory_mb'. > > Note that both of these define how much memory goes to your OS and > applications, rather than how much memory is set aside for Nova / VMs. If > you had 8GB and wanted to give Nova 6GB, you would reserve 2GB for your host > OS. This is a soft limit, your OS will happily take more memory absent > cgroup support as aforementioned. > > -- > Eric Windisch >
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