| From: | Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru> |
|---|---|
| To: | Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com> |
| 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: | 2022-10-28 10:53:17 |
| Message-ID: | ccf33ea3-65b4-72dd-6bfb-337fb448433e@postgrespro.ru |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 28/10/2022 16:12, Etsuro Fujita wrote:
> On Thu, Oct 13, 2022 at 6:58 PM Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com> wrote:
>> I have committed the patch after tweaking comments a little bit further.
>
> 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.
>
> Anyway, thanks for the patch, Andrey! Thanks for reviewing, Ian and Zhihong!
Thanks,
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.
--
regards,
Andrey Lepikhov
Postgres Professional
| From | Date | Subject | |
|---|---|---|---|
| Next Message | vignesh C | 2022-10-28 12:04:37 | Re: Improve tab completion for ALTER FUNCTION/PROCEDURE/ROUTINE |
| Previous Message | David Rowley | 2022-10-28 10:17:10 | Re: Use LIMIT instead of Unique for DISTINCT when all distinct pathkeys are redundant |