Re: [HACKERS] [PATCH] Fix minor race in commit_ts SLRU truncation vslookups

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От Alvaro Herrera
Тема Re: [HACKERS] [PATCH] Fix minor race in commit_ts SLRU truncation vslookups
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Msg-id 20170119212734.z3diu76e6alwnek3@alvherre.pgsql
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Ответ на Re: [HACKERS] [PATCH] Fix minor race in commit_ts SLRU truncation vslookups  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
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Peter Eisentraut wrote:
> On 12/29/16 4:28 AM, Craig Ringer wrote:
> > On 29 December 2016 at 16:51, Craig Ringer <craig@2ndquadrant.com> wrote:
> >> On 28 December 2016 at 22:16, Petr Jelinek <petr.jelinek@2ndquadrant.com> wrote:
> >>
> >>> About the patch, it looks good to me for master with the minor exception
> >>> that:
> >>>> +             appendStringInfo(buf, "pageno %d, xid %u",
> >>>> +                     trunc.pageno, trunc.oldestXid);
> >>>
> >>> This should probably say oldestXid instead of xid in the text description.
> >>
> >> Agreed.
> > 
> > Slightly amended attached.
> 
> I've looked over this.  It looks correct to me in principle.

Thanks, pushed.  I added a comment in vacuum.c, as well as removing the
memcpy()s of the xlog record, which were unnecessary now that there's an
intermediate struct.  WAL version bumped.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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