> The problem is, even if you tell the syncer to get rid of
> dependencies as fast as it can, there is still no guarantee that
> there isn't a process that is adding requests more quickly than they
> can be pushed out to disk.  This is the basic problem that I'm trying
> to address here.

Yes...ultimately, you're going to have to block the process that's
doing that, until the syncer catches up "enough".  ISTM most of the
discussion is about figuring out where the Right place to do that is.

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