| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
| Cc: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, Ivan Kartyshov <i(dot)kartyshov(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [Patch] Checksums for SLRU files |
| Date: | 2018-03-02 01:25:10 |
| Message-ID: | 20180302012510.fuywatza6slrj2nq@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2018-02-02 11:37:34 +1300, Thomas Munro wrote:
> > 3. pg_upgrade isn't considered. This patch should provide upgrading SLRUs
> > to adopt changed useful size of page. That seems to be hardest patch of
> > this patch to be written.
>
> +1
>
> I think we'd want pg_upgrade tests showing an example of each SLRU
> growing past one segment, and then being upgraded, and then being
> accessed in various different pages and segment files, so that we can
> see that we're able to shift the data to the right place successfully.
> For example I think I'd want to see that a single aborted transaction
> surrounded by many committed transactions shows up in the right place
> after an upgrade.
This patch is in the 2018-03 CF, but I don't see any progress since the
last comments. As it has been Waiting on author since the last CF, I
think we should mark this as returned with feedback.
Greetings,
Andres Freund
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