On Mon, May 13, 2013 at 07:55:16PM +0100, Simon Riggs wrote:
> On 13 May 2013 15:28, Noah Misch <noah@leadboat.com> wrote:
>
> > The heavyweight locking mechanism will need to be aware of the association
> > between the master and its workers.
>
> Not sure I can see why that would be true.
>
> ISTM that the workers need to be restricted in various ways from a
> full-functioned master. If the workers can do things that conflict
> with the master and/or each other, we're going to have all kinds of
> hurt.
>
> The key is going to be deciding what the restrictions are and then
> working out how to enforce them.
Yes, specific lock manager needs will depend on what we permit workers to do.
--
Noah Misch
EnterpriseDB http://www.enterprisedb.com