| From: | Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com> |
|---|---|
| To: | Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru> |
| Cc: | Zhihong Yu <zyu(at)yugabyte(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, tanghy(dot)fnst(at)fujitsu(dot)com, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, houzj(dot)fnst(at)fujitsu(dot)com |
| Subject: | Re: Fast COPY FROM based on batch insert |
| Date: | 2022-10-31 08:50:02 |
| Message-ID: | CAPmGK163tgpiMoacE9maeEL-L9oRJ4kQb36QW77gYh0qWzChww@mail.gmail.com |
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On Fri, Oct 28, 2022 at 7:53 PM Andrey Lepikhov
<a(dot)lepikhov(at)postgrespro(dot)ru> wrote:
> On 28/10/2022 16:12, Etsuro Fujita wrote:
> > I think there is another patch that improves performance of COPY FROM
> > for foreign tables using COPY FROM STDIN, but if Andrey (or anyone
> > else) want to work on it again, I think it would be better to create a
> > new CF entry for it (and start a new thread for it). So I plan to
> > close this in the November CF unless they think otherwise.
> I studied performance of this code in comparison to bulk INSERTions.
> This patch seems to improve speed of insertion by about 20%. Also, this
> patch is very invasive. So, I don't have any plans to work on it now.
Ok, let's leave that for future work. I closed this entry in the November CF.
Best regards,
Etsuro Fujita
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