| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com> |
| Cc: | David Steele <david(at)pgmasters(dot)net>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, psuderevsky(at)gmail(dot)com, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Back-patch is necessary? Re: Don't try fetching future segment of a TLI. |
| Date: | 2020-05-07 08:57:00 |
| Message-ID: | CAA4eK1LC_6+2Rufgen8UrjWcr1QKgaqyk3atfBHEG=0ZWw2mwQ@mail.gmail.com |
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| Lists: | Postg윈 토토SQL : Postg윈 토토SQL 메일 링리스트 : 2020-05-07 이후 PGSQL-BUGS 08:57 Postg토토 베이SQL |
On Thu, May 7, 2020 at 12:13 PM Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com> wrote:
>
> On 2020/05/02 20:40, Amit Kapila wrote:
> >
> > I don't see any obvious problem with the changed code but we normally
> > don't backpatch performance improvements. I can see that the code
> > change here appears to be straight forward so it might be fine to
> > backpatch this. Have we seen similar reports earlier as well? AFAIK,
> > this functionality is for a long time and if people were facing this
> > on a regular basis then we would have seen such reports multiple
> > times. I mean to say if the chances of this hitting are less then we
> > can even choose not to backpatch this.
>
> I found the following two reports. ISTM there are not so many reports...
> /message-id/16159-f5a34a3a04dc67e0@postgresql.org
> /message-id/dd6690b0-ec03-6b3c-6fac-c963f91f87a7%40postgrespro.ru
>
The first seems to be the same where this bug has been fixed. It has
been moved to hackers in email [1]. Am, I missing something?
Considering it has been encountered by two different people, I think
it would not be a bad idea to back-patch this.
[1] - /message-id/20200129.120222.1476610231001551715.horikyota.ntt%40gmail.com
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
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