Robert Haas <robertmh...@gmail.com> writes:
> On Mon, Mar 28, 2011 at 9:48 AM, Merlin Moncure <mmonc...@gmail.com> wrote:
>> I was thinking about setting a
>> flag in the buffer (BM_HEAP) that gets set by the loader which flags
>> the buffer for later inspection. Is there a simpler way to do this?
> Hmm. That's slightly crufty, but it might be OK. At least, I don't
> have a better idea.
The major problem with all of this is that the bgwriter has no idea
which buffers contain heap pages. And I'm not convinced it's a good
idea to try to let it know that. If we get to the point where bgwriter
is trying to do catalog accesses, we are in for a world of pain.
(Can you say "modularity violation"? How about "deadlock"?)
regards, tom lane
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