[Engine-devel] Design wiki page for trusted compute pools integration with oVirt has been updated

[Itamar Heim]

On 04/21/2013 10:13 AM, Ofri Masad wrote:
> Hi,
> One more thing we need to think about for the second approach - aggregated query. On engine start we need to determine the trust state of all the hosts. sending a separate query for each host will overload the attestation host and the network. an initial aggregated query needs to be send when the engine starts.
> Same thing can happen after management network fail and so on.
> Maybe we can run a quartz job every x minutes, checking if a large part of the hosts in the cluster (like 30%) are untrusted - in that case run the aggregated query.

are we sure this optimization is needed?
how heavy/latent is the call to the attestation service?