Forgive me, but I don't see the motivation: a database connection represents a large chunk of RAM. Won't the new policies just cause overloaded sites to also run out of RAM?
No. Well, at least one implementation won't. ;-) We don't reserve a pool of database connections for the special servers. The connection policy can use a temporary connection, which AFAIK does not keep a ZODB cache.
But you're right in the sense that this won't help RAM-bound applications; that's what AutoLance is for. It will help debug sites where there's a database connection leak or sites where all public threads are tied up waiting for a database connection (if only to be able to restart it via the mgmt interface).
Ah! Ok, so it's meant for admin-only access. That's a fine idea.
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