Re: slow dropping of tables, DropRelFileNodeBuffers, tas

Sergey Koposov <koposov@ast.cam.ac.uk> writes:
> On Tue, 5 Jun 2012, Simon Riggs wrote:
>>>> Sounds less good and we'd need reasonable proof it actually did
>>>> anything useful without being dangerous.

>>> Doing an initial unlocked test speeds things up another 2.69 fold (on
>>> top of 3.55 for your patch) for me, with 1GB of shared buffers. �That
>>> seems like it should be worthwhile.

>>> How do we go about getting reasonable proof that it is safe?

>> That's enough for me.

Say what?  That's a performance result and proves not a damn thing about
safety.
        regards, tom lane