Re: snapbuild woes

From: Andres Freund <andres(at)anarazel(dot)de>
To: Noah Misch <noah(at)leadboat(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Erik Rijkers <er(at)xs4all(dot)nl>, David Steele <david(at)pgmasters(dot)net>, Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, pgsql-hackers-owner(at)postgresql(dot)org
Subject: Re: snapbuild woes
Date: 2017-05-11 21:54:26
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On 2017-05-11 14:51:55 -0700, wrote:
> On 2017-05-08 00:10:12 -0700, Andres Freund wrote:
> > I plan to commit the next pending patch after the back branch releases
> > are cut - it's an invasive fix and the issue doesn't cause corruption
> > "just" slow slot creation. So it seems better to wait for a few days,
> > rather than hurry it into the release.
> Now that that's done, here's an updated version of that patch. Note the
> new logic to trigger xl_running_xact's to be logged at the right spot.
> Works well in my testing.
> I plan to commit this fairly soon, unless somebody wants a bit more time
> to look into it.
> Unless somebody protests, I'd like to slightly revise how the on-disk
> snapshots are stored on master - given the issues this bug/commit showed
> with the current method - but I can see one could argue that that should
> rather be done next release.

As usual I forgot my attachement.

- Andres

Attachment Content-Type Size
0001-Fix-race-condition-leading-to-hanging-logical-slot-c.patch text/x-patch 31.9 KB

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