[teiid-designer-dev] Preview VDB Cleanup

[Daniel Florian]

We do not deploy PVDBs to Teiid at startup. They are only deployed when a preview is requested. The PVDBs are created locally on the client whenever a project is opened. So at startup they would be created on the client if they don't currently exist.

----- Original Message -----
> So, I spoke with Ramesh offline this morning about option 3, and it
> looks like it's a no-go since all deployed PVDBs for all users would
> always be in the server's memory even if not being worked on. We
> talked about a solution to for this involving dynamically loading them
> only when accessed (assuming they're initially stored in some other
> folder besides the deploy folder), but they weren't interested in
> doing that. However, after agreeing that the server needs to provide
> an async way to initiate cleanup, we all agreed that there doesn't
> seem to be any reason for the Designer to create/deploy PVDB at
> startup either.
> 
> 
> Can anyone shed some light on why we do this (or better yet, confirm
> that we don't currently do this)?
> 
> 
> 
> On Jan 28, 2011, at 8:32 AM, Ramesh Reddy wrote:
> 
> 
> 
> Yes, it is possible. The threading needs to be in server side to make
> it
> work.
> 
> Ramesh..
> 
> On Fri, 2011-01-28 at 08:26 -0500, John Doyle wrote:
> 
> 
> I also agree that we should eliminate the timer. We're making an
> assumptions about the user's preference there.
> 
> 
> 
> 
> 
> Ramesh, would be possible to implement the delete such that it just
> flags the VDB and DS for delete and returns, then the delete is
> actually performed on another thread? I can't imagine there's much
> corrective action someone is going to take through the admin API in
> the event that Delete fails.
> 
> 
> 
> 
> 
> ~jd
> 
> 
> 
> 
> JPAV
> 
> 
> 
> 
> 
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