| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Jerry Sievers <gsievers19(at)comcast(dot)net>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: SegFault on 9.6.14 |
| Date: | 2019-08-12 21:48:33 |
| Message-ID: | 14905.1565646513@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> Being able to do that sort of thing was one of my goals in designing
> the ExecShutdownNode stuff. Unfortunately, it's clear from this bug
> report that it's still a few bricks short of a load, and Tom doesn't
> seem real optimistic about how easy it will be to buy those bricks at
> discount prices. But I hope we persist in trying to get there, because
> I don't like the idea of saying that we'll never be smart enough to
> know we're done with any part of the plan until we're definitely done
> with the whole thing. I think that's leaving too much money on the
> table.
To clarify my position --- I think it's definitely possible to improve
the situation a great deal. We "just" have to pass down more information
about whether rescans are possible. What I don't believe is that that
leads to a bug fix that would be sane to back-patch as far as 9.6.
regards, tom lane
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