| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, Sawada Masahiko <sawada(dot)mshk(at)gmail(dot)com>, Ivan Kartyshov <i(dot)kartyshov(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] WIP: long transactions on hot standby feedback replica / proof of concept |
| Date: | 2018-08-17 15:41:15 |
| Message-ID: | 20180817154115.yqrvp25fyms24szs@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2018-08-17 11:35:40 -0400, Tom Lane wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> > On 2018-08-17 18:00:20 +0300, Alexander Korotkov wrote:
> >> So, do we have any objections to committing this?
>
> > I think this needs more review by other senior hackers in the community.
>
> TBH it sounds like a horrible hack. Disable vacuum truncation?
There's another patch, which I thought Alexander was referring to, that
does something a bit smarger. On a super short skim it seems to
introduce a separate type of AEL lock that's not replicated, by my
reading?
Greetings,
Andres Freund
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