[openstack-dev] [nova] Simulating many fake nova compute nodes for scheduler testing
yunhong jiang
yunhong.jiang at linux.intel.com
Tue Feb 25 17:33:21 UTC 2014
On Tue, 2014-02-25 at 10:45 +0000, John Garbutt wrote:
>
> As a heads up, the overheads of DB calls turned out to dwarf any
> algorithmic improvements I managed. There will clearly be some RPC
> overhead, but it didn't stand out as much as the DB issue.
>
> The move to conductor work should certainly stop the scheduler making
> those pesky DB calls to update the nova instance. And then,
> improvements like no-db-scheduler and improvements to scheduling
> algorithms should shine through much more.
>
Although DB access is sure the key for performance, but do we really
want to pursue conductor-based scheduler?
--jyh
More information about the OpenStack-dev
mailing list