| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Subscription test 013_partition.pl fails under CLOBBER_CACHE_ALWAYS |
| Date: | 2020-09-16 05:53:16 |
| Message-ID: | CAA4eK1KtdSSRQOAhSKF_y2X63-XyW-Qv5rKfmqTL2kMPzhdqMw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Sep 16, 2020 at 9:41 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> writes:
> > So, can we assume that the current code can only cause the problem in
> > CCA builds bot not in any practical scenario because after having a
> > lock on relation probably there shouldn't be any invalidation which
> > leads to this problem?
>
>
> In short: the value of CCA testing is to model sinval overruns
> happening at any point where they could happen. The real-world
> odds of one happening at any given instant are low, but they're
> never zero.
>
Thanks for the explanation. I have read your patch and it looks good to me.
--
With Regards,
Amit Kapila.
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