nova team mailing list archive

[Michael Gundlach <michael.gundlach@xxxxxxxxxxxxx>]

Check out https://lists.launchpad.net/openstack/msg00014.html for a
semi-overview

On Wed, Aug 4, 2010 at 3:21 PM, Paul Voccio <paul.voccio@xxxxxxxxxxxxx>wrote:

> I did miss some. I guess I need to reread.
>
> Sent from space
>
> On Aug 4, 2010, at 2:19 PM, "Michael Gundlach" <
> michael.gundlach@xxxxxxxxxxxxx> wrote:
>
> On Wed, Aug 4, 2010 at 2:57 PM, Paul Voccio < <paul.voccio@xxxxxxxxxxxxx>
> paul.voccio@xxxxxxxxxxxxx> wrote:
>
>> Shouldn’t the layer be pluggable if I wanted a different datastore?
>>
>
> FYI in case you missed the thread on WSGI, modules, and services: whether
> the memory were local or in a memcache or otherwise, the layer would be
> pluggable.  We'll provide a caching library that is a language binding to
> pluggable cache backends -- mock, local, memcache, or otherwise.  Auth* will
> have the same structure, allowing mock, LDAP, etc.
>
> So while I don't think the cache should be in-memory as Eric has drawn it,
> I think pluggability is still assumed in the diagram.
>
> Michael
>
>